<PAGE>

                                                                     EXHIBIT 4.1

================================================================================

                        ALLIANCE RESOURCE PARTNERS, L.P.

                                     Issuer

                                       and

                                [NAME OF TRUSTEE]

                                     Trustee

                                    INDENTURE

                       Dated as of [________] [__], 200[_]

                             SENIOR DEBT SECURITIES

================================================================================
<PAGE>
                        ALLIANCE RESOURCE PARTNERS, L.P.

                 CERTAIN SECTIONS OF THIS INDENTURE RELATING TO
                   SECTIONS 310 THROUGH 318, INCLUSIVE, OF THE
                          TRUST INDENTURE ACT OF 1939:

<TABLE>
<CAPTION>
        Trust Indenture
          Act Section                                                                      Indenture Section
          -----------                                                                      -----------------
<S>                                                                                        <C>
Section 310       (a) (1)...............................................................      609
                  (a) (2)...............................................................      609
                  (a) (3)...............................................................      Not Applicable
                  (a) (4)...............................................................      Not Applicable
                  (b)...................................................................      608; 610
Section 311       (a)...................................................................      613
                  (b)...................................................................      613
Section 312       (a)...................................................................      701; 702
                  (b)...................................................................      702
                  (c)...................................................................      702
Section 313       (a)...................................................................      703
                  (b)...................................................................      703
                  (c)...................................................................      703
                  (d)...................................................................      703
Section 314       (a)...................................................................      704
                  (a) (4)...............................................................      104; 1004
                  (b)...................................................................      Not Applicable
                  (c) (1)...............................................................      101
                  (c) (2)...............................................................      101; 102
                  (c) (3)...............................................................      Not Applicable
                  (d)...................................................................      Not Applicable
                  (e)...................................................................      102
Section 315       (a)...................................................................      601
                  (b)...................................................................      602
                  (c)...................................................................      601
                  (d)...................................................................      601
                  (e)...................................................................      514
Section 316       (a)...................................................................      101
                  (a) (1) (A)...........................................................      502; 512
                  (a) (1) (B)...........................................................      513
                  (a) (2)...............................................................      Not Applicable
                  (b)...................................................................      508
                  (c)...................................................................      104
Section 317       (a) (1)...............................................................      503
                  (a) (2)...............................................................      504
                  (b)...................................................................      1003
Section 318       (a)...................................................................      107
</TABLE>

----------
NOTE: This reconciliation and tie shall not, for any purpose, be deemed to be a
      part of the Indenture.
<PAGE>
                                TABLE OF CONTENTS

<TABLE>
<CAPTION>
                                                                                                                   Page
<S>                                                                                                                <C>
ARTICLE I DEFINITIONS AND OTHER PROVISIONS OF GENERAL APPLICATION.............................................       1
SECTION 101. Definitions......................................................................................       1
SECTION 102. Compliance Certificates and Opinions.............................................................      10
SECTION 103. Form of Documents Delivered to Trustee...........................................................      11
SECTION 104. Acts of Holders; Record Dates....................................................................      11
SECTION 105. Notices, Etc., to Trustee and Partnership........................................................      12
SECTION 106. Notice to Holders; Waiver........................................................................      13
SECTION 107. Conflict with Trust Indenture Act................................................................      13
SECTION 108. Effect of Headings and Table of Contents.........................................................      13
SECTION 109. Successors and Assigns...........................................................................      13
SECTION 110. Separability Clause..............................................................................      13
SECTION 111. Benefits of Indenture............................................................................      14
SECTION 112. Governing Law....................................................................................      14
SECTION 113. Legal Holidays...................................................................................      14
SECTION 114. Language of Notices, Etc.........................................................................      14
SECTION 115. Non-Recourse to the General Partners; No Personal Liability of Officers,
Directors, Employees or Partners .............................................................................      14
                                   ARTICLE II SECURITY FORMS .................................................      15
SECTION 201. Forms Generally..................................................................................      15
SECTION 202. Form of Face of Security.........................................................................      15
SECTION 203. Form of Reverse of Security......................................................................      17
SECTION 204. Global Securities................................................................................      20
SECTION 205. Form of Trustee's Certificate and Authorization .................................................      21
                                   ARTICLE III THE SECURITIES ................................................      22
SECTION 301. Amount Unlimited; Issuable in Series.............................................................      22
SECTION 302. Denominations....................................................................................      25
SECTION 303. Execution, Authentication, Delivery and Dating...................................................      25
SECTION 304. Temporary Securities.............................................................................      26
SECTION 305. Registration, Registration of Transfer and Exchange..............................................      27
SECTION 306. Mutilated, Destroyed, Lost and Stolen Securities.................................................      28
SECTION 307. Payment of Interest; Interest Rights Preserved...................................................      29
SECTION 308. Persons Deemed Owners............................................................................      31
SECTION 309. Cancellation.....................................................................................      31
SECTION 310. Computation of Interest..........................................................................      31
SECTION 311. CUSIP Numbers....................................................................................      31
                             ARTICLE IV SATISFACTION AND DISCHARGE ...........................................      32
SECTION 401. Satisfaction and Discharge of Indenture..........................................................      32
SECTION 402. Application of Trust Money.......................................................................      33
                                       ARTICLE V REMEDIES ....................................................      33
SECTION 501. Events of Default................................................................................      33
SECTION 502. Acceleration of Maturity; Rescission and Annulment...............................................      34
SECTION 503. Collection of Indebtedness and Suits for Enforcement by Trustee..................................      35
SECTION 504. Trustee May File Proofs of Claim.................................................................      36
</TABLE>


                                       -i-
<PAGE>
<TABLE>
<S>                                                                                                                <C>
SECTION 505. Trustee May Enforce Claims Without Possession of Securities......................................      36
SECTION 506. Application of Money Collected...................................................................      36
SECTION 507. Limitation on Suits..............................................................................      37
SECTION 508. Unconditional Right of Holders to Receive Principal, Premium and Interest........................      37
SECTION 509. Restoration of Rights and Remedies...............................................................      38
SECTION 510. Rights and Remedies Cumulative...................................................................      38
SECTION 511. Delay or Omission Not Waiver.....................................................................      38
SECTION 512. Control by Holders...............................................................................      38
SECTION 513. Waiver of Past Defaults..........................................................................      39
SECTION 514. Undertaking for Costs............................................................................      39
SECTION 515. Waiver of Usury, Stay or Extension Laws..........................................................      39
                                    ARTICLE VI THE TRUSTEE ...................................................      39
SECTION 601. Certain Duties and Responsibilities..............................................................      39
SECTION 602. Notice of Defaults...............................................................................      40
SECTION 603. Certain Rights of Trustee........................................................................      40
SECTION 604. Not Responsible for Recitals or Issuance of Securities...........................................      41
SECTION 605. May Hold Securities..............................................................................      41
SECTION 606. Money Held in Trust..............................................................................      41
SECTION 607. Compensation and Reimbursement...................................................................      42
SECTION 608. Disqualification; Conflicting Interests..........................................................      42
SECTION 609. Corporate Trustee Required; Eligibility..........................................................      42
SECTION 610. Resignation and Removal; Appointment of Successor................................................      43
SECTION 611. Acceptance of Appointment by Successor...........................................................      44
SECTION 612. Merger, Conversion, Consolidation or Succession to Business......................................      45
SECTION 613. Preferential Collection of Claims Against Partnership............................................      45
SECTION 614. Appointment of Authenticating Agent..............................................................      45
ARTICLE VII HOLDERS' LISTS AND REPORTS BY TRUSTEE AND PARTNERSHIP ............................................      47
SECTION 701. Partnership to Furnish Trustee Names and Addresses of Holders....................................      47
SECTION 702. Preservation of Information; Communications to Holders...........................................      47
SECTION 703. Reports by Trustee...............................................................................      48
SECTION 704. Reports by Partnership...........................................................................      48
ARTICLE VIII CONSOLIDATION, MERGER, CONVEYANCE, TRANSFER OR LEASE ............................................      49
SECTION 801. Partnership May Consolidate, Etc., Only on Certain Terms.........................................      49
SECTION 802. Successor Substituted............................................................................      49
                               ARTICLE IX SUPPLEMENTAL INDENTURES ............................................      50
SECTION 901. Supplemental Indentures Without Consent of Holders...............................................      50
SECTION 902. Supplemental Indentures with Consent of Holders..................................................      50
SECTION 903. Execution of Supplemental Indentures.............................................................      52
SECTION 904. Effect of Supplemental Indentures................................................................      52
SECTION 905. Conformity with Trust Indenture Act..............................................................      52
SECTION 906. Reference in Securities to Supplemental Indentures...............................................      52
                                     ARTICLE X COVENANTS .....................................................      52
SECTION 1001. Payment of Principal, Premium and Interest......................................................      52
SECTION 1002. Maintenance of Office or Agency.................................................................      53
SECTION 1003. Money for Securities Payments to Be Held in Trust...............................................      53
SECTION 1004. Statement by Officers as to Default.............................................................      54
</TABLE>


                                      -ii-
<PAGE>
<TABLE>
<S>                                                                                                                <C>
SECTION 1005. Existence.......................................................................................      54
SECTION 1006. Limitations on Liens............................................................................      55
SECTION 1007. Restriction of Sale-Leaseback Transaction.......................................................      56
SECTION 1008. Waiver of Certain Covenants.....................................................................      57
                             ARTICLE XI REDEMPTION OF SECURITIES .............................................      57
SECTION 1101. Applicability of Article........................................................................      57
SECTION 1102. Election to Redeem; Notice to Trustee...........................................................      57
SECTION 1103. Selection by Trustee of Securities to be Redeemed...............................................      58
SECTION 1104. Notice of Redemption............................................................................      58
SECTION 1105. Deposit of Redemption Price.....................................................................      59
SECTION 1106. Securities Payable on Redemption Date...........................................................      59
SECTION 1107. Securities Redeemed in Part.....................................................................      59
                                 ARTICLE XII SINKING FUNDS ...................................................      60
SECTION 1201. Applicability of Article........................................................................      60
SECTION 1202. Satisfaction of Sinking Fund Payments with Securities...........................................      60
SECTION 1203. Redemption of Securities for Sinking Fund.......................................................      60
                                  ARTICLE XIII DEFEASANCE ....................................................      61
SECTION 1301. Applicability of Article........................................................................      61
SECTION 1302. Legal Defeasance................................................................................      61
SECTION 1303. Covenant Defeasance.............................................................................      62
SECTION 1304. Application by Trustee of Funds Deposited for Payment of Securities.............................      64
SECTION 1305. Repayment to Partnership........................................................................      64
</TABLE>


                                      -iii-
<PAGE>
      INDENTURE, dated as of [________] [__], 200[_], between ALLIANCE RESOURCE
PARTNERS, L.P., a Delaware limited partnership (the "Partnership"), having its
principal office at 1717 South Boulder Avenue, Suite 600, Tulsa, Oklahoma 74119
and [NAME OF TRUSTEE], a [____________________], as trustee (the "Trustee").

                           RECITALS OF THE PARTNERSHIP

      The Partnership has duly authorized the execution and delivery of this
Indenture to provide for the issuance from time to time of its unsecured
debentures, notes or other evidences of indebtedness (the "Securities"), to be
issued in one or more series as in this Indenture provided.

      All things necessary to make this Indenture a valid agreement of the
Partnership, in accordance with its terms, have been done.

      This Indenture is subject to the provisions of the Trust Indenture Act
that are required to be a part of this Indenture and, to the extent applicable,
shall be governed by such provisions.

      NOW, THEREFORE, THIS INDENTURE WITNESSETH:

      For and in consideration of the premises and the purchase of the
Securities by the Holders thereof, it is mutually agreed, for the equal and
proportionate benefit of all Holders of the Securities or of any series thereof,
as follows:

                                   ARTICLE I

             DEFINITIONS AND OTHER PROVISIONS OF GENERAL APPLICATION

SECTION 101. Definitions.

      For all purposes of this Indenture, except as otherwise expressly provided
or unless the context otherwise requires:

            (1) the terms defined in this Article have the meanings assigned to
      them in this Article and include the plural as well as the singular;

            (2) all other terms used herein which are defined in the Trust
      Indenture Act, either directly, or by reference therein, have the meanings
      assigned to them therein;

            (3) all accounting terms not otherwise defined herein have the
      meanings assigned to them in accordance with generally accepted accounting
      principles in the United States, and, except as otherwise herein expressly
      provided, the term "generally accepted accounting principles" with respect
      to any computation required or permitted hereunder shall mean such
      accounting principles as are generally accepted in the United States at
      the date of such computation;
<PAGE>
            (4) the words "herein," "hereof" and "hereunder" and other words of
      similar import refer to this Indenture as a whole and not to any
      particular Article, Section or other subdivision; and

            (5) the words "Article" and "Section" refer to an Article and
      Section, respectively, of this Indenture.

      "Act," when used with respect to any Holder, has the meaning specified in
Section 104.

      "Affiliate" of any specified Person means any other Person directly or
indirectly controlling or controlled by or under direct or indirect common
control with such specified Person. For the purposes of this definition,
"control" when used with respect to any specified Person means the power to
direct the management and policies of such Person, directly or indirectly,
whether through the ownership of voting securities, by contract or otherwise,
and the terms "controlling" and "controlled" have meanings correlative to the
foregoing.

      "Attributable Indebtedness," when used with respect to any Sale-Leaseback
Transaction, means, as at the time of determination, the present value
(discounted at the rate set forth or implicit in the terms of the lease included
in such transaction) of the total obligations of the lessee for rental payments
(other than amounts required to be paid on account of property taxes,
maintenance, repairs, insurance, assessments, utilities, operating and labor
costs and other items that do not constitute payments for property rights)
during the remaining term of the lease included in such Sale-Leaseback
Transaction (including any period for which such lease has been extended). In
the case of any lease that is terminable by the lessee upon the payment of a
penalty or other termination payment, such amount shall be the lesser of the
amount determined assuming termination upon the first date such lease may be
terminated (in which case the amount shall also include the amount of the
penalty or termination payment, but no rent shall be considered as required to
be paid under such lease subsequent to the first date upon which it may be so
terminated) or the amount determined assuming no such termination.

      "Authenticating Agent" means any Person authorized by the Trustee pursuant
to Section 614 to act on behalf of the Trustee to authenticate Securities of one
or more series.

      "Authorized Newspaper" means a newspaper, in the English language or in an
official language of the country of publication, customarily published on each
Business Day, regardless of whether published on Saturdays, Sundays or holidays,
and of general circulation in the place in connection with which the term is
used or in the financial community of such place.

      "Bankruptcy Law" means Title 11, U.S. Code, or any similar federal or
state law for the relief of debtors or the protection of creditors.

      "Board of Directors" means the board of directors of the Managing General
Partner, or the executive or any other committee of that board duly authorized
to act in respect thereof. If the Partnership shall change its form of entity to
other than a limited partnership, the references to officers or the Board of
Directors of the Managing General Partner shall mean the officers or the Board
of Directors (or other comparable governing body), respectively, of the
Partnership.


                                      -2-
<PAGE>
      "Board Resolution" means a copy of a resolution certified by the Secretary
of the Managing General Partner, the principal financial officer of the Managing
General Partner or any other authorized officer of the Managing General Partner
or a person duly authorized by any of them, to have been duly adopted by the
Board of Directors and to be in full force and effect on the date of such
certification, and delivered to the Trustee.

      "Business Day," when used with respect to any Place of Payment or other
location, means, except as otherwise provided as contemplated by Section 301
with respect to any series of Securities, each Monday, Tuesday, Wednesday,
Thursday and Friday which is not a day on which banking institutions in that
Place of Payment or other location are authorized or obligated by law, executive
order or regulation to close.

      "Capital Interests" means any and all shares, interests, participations,
rights or other equivalents (however designated) of capital stock, including,
without limitation, with respect to partnerships, partnership interests (whether
general or limited) and any other interest or participation that confers on a
Person the right to receive a share of the profits and losses of, or
distributions of assets of, such partnership.

      "Commission" means the Securities and Exchange Commission, as from time to
time constituted, created under the Exchange Act or, if at any time after the
execution of this instrument such Commission is not existing and performing the
duties now assigned to it under the Trust Indenture Act, then the body
performing such duties at such time.

      "Consolidated Net Tangible Assets" means, at any date of determination,
the total amount of assets after deducting therefrom (x) all current liabilities
(excluding (A) any current liabilities that by their terms are extendable or
renewable at the option of the obligor thereon to a time more than 12 months
after the time as of which the amount thereof is being computed, and (B) current
maturities of long-term debt), and (y) the value (net of any applicable
reserves) of all goodwill, trade names, trademarks, patents and other like
intangible assets, all as set forth on the consolidated balance sheet of the
Partnership and its consolidated subsidiaries for the Partnership's most
recently completed fiscal quarter, prepared in accordance with generally
accepted accounting principles.

      "Corporate Trust Office" means the office of the Trustee at which at any
particular time its corporate trust business shall be principally administered,
which at the date hereof is [______________________________].

      "corporation" includes corporations, associations, limited liability
companies, joint-stock companies and business trusts.

      "covenant defeasance" has the meaning specified in Section 1303.

      "Custodian" means any receiver, trustee, assignee, liquidator or similar
official under any Bankruptcy Law.

      "Debt" means any obligation created or assumed by any Person for the
repayment of money borrowed, any purchase money obligation created or assumed by
such Person and any guarantee of the foregoing.


                                      -3-
<PAGE>
      "Default" means, with respect to a series of Securities, any event which
is, or after notice or lapse of time or both would become, an Event of Default
with respect to Securities of such series.

      "Defaulted Interest" has the meaning specified in Section 307.

      "defeasance" has the meaning specified in Section 1302.

      "Definitive Security" means a Security other than a Global Security or a
temporary Security.

      "Depositary" means, with respect to Securities of any series issuable in
whole or in part in the form of one or more Global Securities, a clearing agency
registered under the Exchange Act that is designated to act as Depositary for
such Securities as contemplated by Section 301, until a successor Depositary
shall have become such pursuant to the applicable provisions of this Indenture,
and thereafter shall mean or include each Person which is then a Depositary
hereunder, and if at any time there is more than one such Person, shall be a
collective reference to such Persons.

      "Dollar" or "$" means the coin or currency of the United States of America
as at the time of payment is legal tender for the payment of public and private
debts.

      "Event of Default" has the meaning specified in Section 501.

      "Exchange Act" means the Securities Exchange Act of 1934, as amended from
time to time, and any statute successor thereto.

      "Funded Debt" means all Debt maturing one year or more from the date of
the creation thereof, all Debt directly or indirectly renewable or extendible,
at the option of the debtor, by its terms or by the terms of any instrument or
agreement relating thereto, to a date one year or more from the date of the
creation thereof, and all Debt under a revolving credit or similar agreement
obligating the lender or lenders to extend credit over a period of one year or
more.

      "General Partners" means both the Managing General Partner and the Special
General Partner.

      "Global Security" means a Security in global form that evidences all or
part of the Securities of any series and is registered in the name of the
Depositary for such Securities or a nominee thereof.

      "Holder" means a Person in whose name a Security is registered in the
Security Register.

      "Indenture" means this instrument as originally executed or as it may from
time to time be supplemented or amended by one or more indentures supplemental
hereto entered into pursuant to the applicable provisions hereof, including, for
all purposes of this instrument, and any such supplemental indenture, the
provisions of the Trust Indenture Act that are deemed to be a part of and govern
this instrument and any such supplemental indenture, respectively.


                                      -4-
<PAGE>
      "interest," when used with respect to an Original Issue Discount Security
that by its terms bears interest only after Maturity, means interest payable
after Maturity.

      "Interest Payment Date," when used with respect to any Security, means the
Stated Maturity of an installment of interest on such Security.

      "Issue Date" means, with respect to any series of Debt Securities issued
under either Indenture, the date on which Debt Securities of that series are
initially issued under that Indenture.

      "Lien" means, as to any entity, any mortgage, lien, pledge, security
interest or other encumbrance in or on, or adverse interest or title of any
vendor, lessor, lender or other secured party to or of the entity under
conditional sale or other title retention agreement or capital lease with
respect to, any property or asset of the entity.

      "Managing General Partner" means the Person serving as such under the
Partnership Agreement, which on the date hereof, is Alliance Resource Management
GP, LLC, a Delaware limited liability company.

      "Maturity," when used with respect to any Security, means the date on
which the principal of such Security or an installment of principal becomes due
and payable as therein or herein provided, whether at the Stated Maturity or by
declaration of acceleration, call for redemption or otherwise.

      "Notice of Default" means a written notice of the kind specified in
Section 501(3).

      "Officers' Certificate" means a certificate signed by the Chairman of the
Board, the President or a Vice President, and by the Treasurer or the Secretary,
of the Managing General Partner (or if the Partnership shall change its form of
entity to other than a limited partnership, by Persons or officers, members,
agents and comparable positions as applicable to those of the foregoing nature,
as applicable), and delivered to the Trustee. One of the officers or such other
Persons (as applicable) signing an Officers' Certificate given pursuant to
Section 1004 shall be the principal executive, financial or accounting officer
of the Managing General Partner (or if the Partnership shall change its form of
entity to other than a limited partnership, by Persons or officers, members,
agents and comparable positions as applicable to those of the foregoing nature,
as applicable).

      "Opinion of Counsel" means a written opinion of legal counsel, who may be
an employee of or counsel for the Partnership.

      "Original Issue Discount Security" means any Security which provides for
an amount less than the stated principal amount thereof to be due and payable
upon a declaration of acceleration of the Maturity thereof pursuant to Section
502.

      "Outstanding," when used with respect to Securities, means, as of the date
of determination, all Securities theretofore authenticated and delivered under
this Indenture, except:


                                      -5-
<PAGE>
      (1) Securities theretofore canceled by the Trustee or delivered to the
Trustee for cancellation;

      (2) Securities for whose payment or redemption money in the necessary
amount has been theretofore deposited with the Trustee or any Paying Agent
(other than the Partnership) in trust or set aside and segregated in trust by
the Partnership (if the Partnership shall act as its own Paying Agent) for the
Holders of such Securities; provided, however, that, if such Securities are to
be redeemed, notice of such redemption has been duly given pursuant to this
Indenture or provision therefor has been made;

      (3) Securities which have been paid pursuant to Section 306 or in exchange
for or in lieu of which other Securities have been authenticated and delivered
pursuant to this Indenture, other than any such Securities in respect of which
there shall have been presented to the Trustee proof satisfactory to it that
such Securities are held by a bona fide purchaser in whose hands such Securities
are valid obligations of the Partnership; and

      (4) Securities, except to the extent provided in Sections 1302 and 1303,
with respect to which the Partnership has effected defeasance or covenant
defeasance as provided in Article XIII;

provided, however, that in determining whether the Holders of the requisite
principal amount of the Outstanding Securities have given any request, demand,
authorization, direction, notice, consent or waiver hereunder, (A) the principal
amount of an Original Issue Discount Security that shall be deemed to be
Outstanding shall be the amount of the principal thereof that would be due and
payable as of the date of such determination upon acceleration of the Maturity
thereof on such date pursuant to Section 502, (B) the principal amount of a
Security denominated in one or more currencies or currency units other than U.S.
dollars shall be the U.S. dollar equivalent of such currencies or currency
units, determined in the manner provided as contemplated by Section 301 on the
date of original issuance of such Security, of the principal amount (or, in the
case of an Original Issue Discount Security, the U.S. dollar equivalent (as so
determined) on the date of original issuance of such Security, of the amount
determined as provided in clause (A) above) of such Security, and (C) Securities
owned by the Partnership or any other obligor upon the Securities or any
Affiliate of the Partnership or of such other obligor shall be disregarded and
deemed not to be Outstanding, except that, in determining whether the Trustee
shall be protected in relying upon any such request, demand, authorization,
direction, notice, consent or waiver, only Securities which the Trustee knows to
be so owned shall be so disregarded. Securities so owned as described in clause
(C) above which have been pledged in good faith may be regarded as Outstanding
if the pledgee establishes to the satisfaction of the Trustee the pledgee's
right so to act with respect to such Securities and that the pledgee is not the
Partnership or any other obligor upon the Securities or any Affiliate of the
Partnership or of such other obligor.

      "Pari Passu Debt" means any Debt of the Partnership, whether outstanding
on the Issue Date or thereafter created, incurred or assumed, unless, in the
case of any particular Debt, the instrument creating or evidencing the same or
pursuant to which the same is outstanding expressly provides that such Debt
shall be subordinated in right of payment to the Securities.


                                      -6-
<PAGE>
      "Partnership" means the Person named as the "Partnership" in the first
paragraph of this instrument until a successor Person shall have become such
pursuant to the applicable provisions of this Indenture, and thereafter
"Partnership" shall mean such successor Person.

      "Partnership Agreement" means the Agreement of Limited Partnership of the
Partnership as in effect from time to time.

      "Partnership Request" or "Partnership Order" means a written request or
order signed in the name of the Partnership by the Chairman of the Board,
President or a Vice President of the Managing General Partner, and by the
Treasurer or Secretary of the Managing General Partner, and delivered to the
Trustee, or if the Partnership shall change its form of entity to other than a
limited partnership, by Persons or officers, members, agents and the like
positions comparable to those of the foregoing nature, as applicable.

      "Paying Agent" means any Person authorized by the Partnership to pay the
principal of or any premium or interest on any Securities on behalf of the
Partnership.

      "Periodic Offering" means an offering of Securities of a series from time
to time, the specific terms of which Securities, including, without limitation,
the rate or rates of interest or formula for determining the rate or rates of
interest thereon, if any, the Stated Maturity or Stated Maturities thereof, the
original issue date or dates thereof, the redemption provisions, if any, with
respect thereto, and any other terms specified as contemplated by Section 301
with respect thereto, are to be determined by the Partnership upon the issuance
of such Securities.

      "Permitted Liens" means:

      (1) zoning restrictions, easements, licenses, covenants, reservations,
restrictions on the use of real property or minor irregularities of title
incident thereto that do not, in the aggregate, materially detract from the
value of the property or the assets of the Partnership or any of its
Subsidiaries or impair the use of such property in the operation of the business
of the Partnership or any of its Subsidiaries;

      (2) any statutory or governmental Lien or Lien arising by operation of
law, or any mechanics', repairmen's, materialmen's, suppliers', carriers',
landlords', warehousemen's or similar Lien incurred in the ordinary course of
business which is not yet due or which is being contested in good faith by
appropriate proceedings and any undetermined Lien which is incidental to
construction, development, improvement or repair;

      (3) the right reserved to, or vested in, any municipality or public
authority by the terms of any right, power, franchise, grant, license, permit or
by any provision of law, to purchase or recapture or to designate a purchaser
of, any property;

      (4) Liens of taxes and assessments which are (A) for the then current
year, (B) not at the time delinquent, or (C) delinquent but the validity of
which is being contested at the time in good faith by the Partnership or any of
its Subsidiaries in good faith;

      (5) Liens of, or to secure performance of, leases, other than capital
leases;


                                      -7-
<PAGE>
      (6) any Lien upon, or deposits of, any assets in favor of any surety
company or clerk of court for the purpose of obtaining indemnity or stay of
judicial proceedings;

      (7) any Lien upon property or assets acquired or sold by the Partnership
or any of its Subsidiaries resulting from the exercise of any rights arising out
of defaults on receivables;

      (8) any Lien incurred in the ordinary course of business in connection
with workmen's compensation, unemployment insurance, temporary disability,
social security, retiree health or similar laws or regulations or to secure
obligations imposed by statute or governmental regulations;

      (9) any Lien in favor of the Partnership or any of its Subsidiaries;

      (10) any Lien in favor of the United States of America or any state
thereof, or any department, agency or instrumentality or political subdivision
of the United States of America or any state thereof, to secure partial,
progress, advance, or other payments pursuant to any contract or statute, or any
Debt incurred by the Partnership or any of its Subsidiaries for the purpose of
financing all or any part of the purchase price of, or the cost of constructing,
developing, repairing or improving, the property or assets subject to such Lien;

      (11) any Lien securing industrial development, pollution control or
similar revenue bonds;

      (12) any Lien securing Debt of the Partnership or any of its Subsidiaries,
all or a portion of the net proceeds of which are used, substantially concurrent
with the funding thereof (and for purposes of determining such "substantial
concurrence," taking into consideration, among other things, required notices to
be given to Holders of outstanding securities under this Indenture (including
the Securities) in connection with such refunding, refinancing or repurchase,
and the required corresponding durations thereof), to refinance, refund or
repurchase all outstanding securities under this Indenture (including the
Securities), including the amount of all accrued interest thereon and reasonable
fees and expenses and premium, if any, incurred by the Partnership or any of its
Subsidiaries in connection therewith;

      (13) Liens in favor of any Person to secure obligations under the
provisions of any letters of credit, bank guarantees, bonds or surety
obligations required or requested by any governmental authority in connection
with any contract or statute; or

      (14) any Lien upon or deposits of any assets to secure performance of
bids, trade contracts, leases or statutory obligations.

      "Person" means any individual, corporation, partnership, joint venture,
limited liability company, association, joint-stock company, trust, other
entity, unincorporated organization or government, or any agency or political
subdivision thereof.

      "Place of Payment," when used with respect to the Securities of any
series, means, unless otherwise specifically provided for with respect to such
series as contemplated by Section 301, the office or agency of the Partnership
in The City of New York and such other place or places


                                      -8-
<PAGE>
where, subject to the provisions of Section 1002, the principal of and any
premium and interest on the Securities of that series are payable as specified
as contemplated by Section 301.

      "Redemption Date," when used with respect to any Security to be redeemed,
means the date fixed for such redemption by or pursuant to this Indenture.

      "Redemption Price," when used with respect to any Security to be redeemed,
means the price at which it is to be redeemed pursuant to this Indenture.

      "Regular Record Date" for the interest payable on any Interest Payment
Date on the Securities of any series means the date specified for that purpose
as contemplated by Section 301.

      "Sale-Leaseback Transaction" means the sale or transfer by the Partnership
or any of its Subsidiaries of any property or assets to a Person (other than the
Partnership or a Subsidiary of the Partnership) and the taking back by the
Partnership or any Subsidiary of the Partnership, as the case may be, of a lease
of such property or assets.

      "Securities" has the meaning stated in the first recital of this Indenture
and more particularly means any Securities authenticated and delivered under
this Indenture.

      "Security Register" and "Security Registrar" have the respective meanings
specified in Section 305.

      "Special General Partner" means the Person serving as such under the
Partnership Agreement, which on the date hereof is Alliance Resource GP, LLC, a
Delaware limited liability company.

      "Special Record Date" for the payment of any Defaulted Interest means a
date fixed by the Trustee pursuant to Section 307.

      "Stated Maturity," when used with respect to any Security or any
installment of principal thereof or interest thereon, means the date specified
in such Security as the fixed date on which the principal of such Security or
such installment of principal or interest is due and payable.

      "Subsidiary" of any Person means (i) any partnership of which more than
50% of the Capital Interests (considering all partners' Capital Interests as a
single class) is at the time owned or controlled, directly or indirectly, by
such Person or one or more of the other Subsidiaries of such Person or
combination thereof, or (ii) any corporation, association or other business
entity of which more than 50% of the total voting power of the Capital Interests
entitled (without regard to the occurrence of any contingency) to vote in the
election of directors, managers or trustees thereof is at the time owned or
controlled, directly or indirectly, by such Person or one or more of the other
Subsidiaries of such Person or combination thereof.

      "Trust Indenture Act" means the Trust Indenture Act of 1939 as in force at
the date as of which this instrument was executed, except as otherwise provided
in Section 905; provided, however, that if the Trust Indenture Act of 1939 is
amended after such date, "Trust Indenture


                                      -9-
<PAGE>
Act" means, to the extent required by any such amendment, the Trust Indenture
Act of 1939 as so amended.

      "Trustee" means the Person named as the "Trustee" in the first paragraph
of this instrument until a successor Trustee shall have become such pursuant to
the applicable provisions of this Indenture, and thereafter "Trustee" shall mean
or include each Person who is then a Trustee hereunder, and if at any time there
is more than one such Person, "Trustee" as used with respect to the Securities
of any series shall mean each Trustee with respect to Securities of that series.

      "U.S. Government Obligations" means securities which are (i) direct
obligations of the United States for the payment of which its full faith and
credit is pledged, or (ii) obligations of a Person controlled or supervised by
and acting as an agency or instrumentality of the United States, the payment of
which is unconditionally guaranteed as a full faith and credit obligation by the
United States, each of which are not callable or redeemable at the option of the
issuer thereof.

      "Vice President," when used with respect to the Partnership, means any
vice president of the Managing General Partner, or when used with respect to the
Trustee, means any vice president of the Trustee.

SECTION 102. Compliance Certificates and Opinions.

      Upon any application or request by the Partnership to the Trustee to take
any action under any provision of this Indenture, the Partnership shall furnish
to the Trustee such certificates or opinions as may be required under the Trust
Indenture Act. Each such certificate or opinion shall be given in the form of an
Officers' Certificate, if to be given by an officer of the Managing General
Partner, or an Opinion of Counsel, if to be given by counsel, and shall comply
with the requirements of the Trust Indenture Act and any other requirements set
forth in this Indenture.

      Every certificate or opinion with respect to compliance with a condition
or covenant provided for in this Indenture (except for certificates provided for
in Section 1004) shall include:

            (1) a statement that each individual signing such certificate or
      opinion has read such covenant or condition and the definitions herein
      relating thereto;

            (2) a brief statement as to the nature and scope of the examination
      or investigation upon which the statements or opinions contained in such
      certificate or opinion are based;

            (3) a statement that, in the opinion of each such individual, he has
      made such examination or investigation as is necessary to enable him to
      express an informed opinion as to regardless of whether such covenant or
      condition has been complied with; and

            (4) a statement as to whether, in the opinion of each such
      individual, such condition or covenant has been complied with.


                                      -10-
<PAGE>
SECTION 103. Form of Documents Delivered to Trustee.

      In any case where several matters are required to be certified by, or
covered by an opinion of, any specified Person, it is not necessary that all
such matters be certified by, or covered by the opinion of, only one such
Person, or that they be so certified or covered by only one document, but one
such Person may certify or give an opinion with respect to some matters and one
or more other such Persons as to other matters, and any such Person may certify
or give an opinion as to such matters in one or several documents.

      Any certificate or opinion of an officer of the Partnership or the
Managing General Partner may be based, insofar as it relates to legal matters,
upon a certificate or opinion of, or representations by, counsel, unless such
officer knows, or in the exercise of reasonable care should know, that the
certificate or opinion or representations with respect to the matters upon which
his certificate or opinion is based are erroneous. Any such certificate or
opinion of counsel may be based, insofar as it relates to factual matters, upon
a certificate or opinion of, or representations by, an officer or officers of
the Partnership or the Managing General Partner stating that the information
with respect to such factual matters is in the possession of the Partnership or
the Managing General Partner, unless such counsel knows that the certificate or
opinion or representations with respect to such matters are erroneous.

      Where any Person is required to make, give or execute two or more
applications, requests, consents, certificates, statements, opinions or other
instruments under this Indenture, they may, but need not, be consolidated and
form one instrument.

SECTION 104. Acts of Holders; Record Dates.

      Any request, demand, authorization, direction, notice, consent, waiver or
other action provided or permitted by this Indenture to be given or taken by
Holders may be embodied in and evidenced by one or more instruments of
substantially similar tenor signed (either physically or by means of a facsimile
or an electronic transmission, provided that such electronic transmission is
transmitted through the facilities of a Depositary) by such Holders in person or
by an agent duly appointed in writing; and, except as herein otherwise expressly
provided, such action shall become effective when such instrument or instruments
are delivered (either physically or by means of a facsimile or an electronic
transmission, provided that such electronic transmission is transmitted through
the facilities of a Depositary) to the Trustee and, where it is hereby expressly
required, to the Partnership. Such instrument or instruments (and the action
embodied therein and evidenced thereby) are herein sometimes referred to as the
"Act" of the Holders signing such instrument or instruments. Proof of execution
of any such instrument or of a writing appointing any such agent shall be
sufficient for any purpose of this Indenture and (subject to Section 315 of the
Trust Indenture Act) conclusive in favor of the Trustee and the Partnership, if
made in the manner provided in this Section.

      The fact and date of the execution by any Person of any such instrument or
writing may be proved by the affidavit of a witness of such execution or by a
certificate of a notary public or other officer authorized by law to take
acknowledgments of deeds, certifying that the individual signing such instrument
or writing acknowledged to him the execution thereof. Where such execution is by
a signer acting in a capacity other than his individual capacity, such
certificate or


                                      -11-
<PAGE>
affidavit shall also constitute sufficient proof of his authority. The fact and
date of the execution of any such instrument or writing, or the authority of the
Person executing the same, may also be proved in any other manner which the
Trustee deems sufficient.

      The ownership, principal amount and serial numbers of Securities held by
any Person, and the date of commencement of such Person's holding the same,
shall be proved by the Security Register.

      Any request, demand, authorization, direction, notice, consent, waiver or
other action of the Holder of any Security shall bind every future Holder of the
same Security and the Holder of every Security issued upon the registration of
transfer thereof or in exchange therefor or in lieu thereof in respect of
anything done, omitted or suffered to be done by the Trustee or the Partnership
in reliance thereon, regardless of whether notation of such action is made upon
such Security.

      Without limiting the foregoing, a Holder entitled hereunder to give or
take any action hereunder with regard to any particular Security may do so with
regard to all or any part of the principal amount of such Security or by one or
more duly appointed agents each of which may do so pursuant to such appointment
with regard to all or any different part of such principal amount.

      The Partnership may set any day as the record date for the purpose of
determining the Holders of Outstanding Securities of any series entitled to give
or take any request, demand, authorization, direction, notice, consent, waiver
or other action provided or permitted by this Indenture to be given or taken by
Holders of Securities of such series, but the Partnership shall have no
obligation to do so. With regard to any record date set pursuant to this
paragraph, the Holders of Outstanding Securities of the relevant series on such
record date (or their duly appointed agents), and only such Persons, shall be
entitled to give or take the relevant action, regardless of whether such Holders
remain Holders after such record date.

SECTION 105. Notices, Etc., to Trustee and Partnership.

      Any request, demand, authorization, direction, notice, consent, waiver or
Act of Holders or other document provided or permitted by this Indenture to be
made upon, given or furnished to, or filed with,

            (1) the Trustee by any Holder or by the Partnership shall be
      sufficient for every purpose hereunder if made, given, furnished or filed
      in writing to or with the Trustee at its Corporate Trust Office,
      Attention: _______________________, or

            (2) the Partnership by the Trustee or by any Holder shall be
      sufficient for every purpose hereunder (unless otherwise herein expressly
      provided) if in writing and mailed, first-class postage prepaid, to the
      Partnership addressed to it at 1717 South Boulder Avenue, Suite 600,
      Tulsa, Oklahoma 74119 to the attention of the Corporate Secretary, or at
      any other address previously furnished in writing to the Trustee by the
      Partnership.


                                      -12-
<PAGE>
SECTION 106. Notice to Holders; Waiver.

      Where this Indenture provides for notice to Holders of any event, such
notice shall be sufficiently given (unless otherwise herein expressly provided)
if in writing and mailed, first-class postage prepaid (if international mail, by
air mail), to each Holder affected by such event, at his address as it appears
in the Security Register, not later than the latest date (if any), and not
earlier than the earliest date (if any), prescribed for the giving of such
notice. In any case where notice to Holders is given by mail, neither the
failure to mail such notice, nor any defect in any notice so mailed, to any
particular Holder shall affect the sufficiency of such notice with respect to
other Holders. Any notice mailed to a Holder in the manner herein prescribed
shall be conclusively deemed to have been received by such Holder, regardless of
whether such Holder actually receives such notice.

      Where this Indenture provides for notice in any manner, such notice may be
waived in writing by the Person entitled to receive such notice, either before
or after the event, and such waiver shall be the equivalent of such notice.
Waivers of notice by Holders shall be filed with the Trustee, but such filing
shall not be a condition precedent to the validity of any action taken in
reliance upon such waiver.

      In case by reason of the suspension of regular mail service or by reason
of any other cause it shall be impracticable to give such notice by mail, then
such notification as shall be made with the approval of the Trustee shall
constitute a sufficient notification for every purpose hereunder.

SECTION 107. Conflict with Trust Indenture Act.

      If any provision hereof limits, qualifies or conflicts with a provision of
the Trust Indenture Act that is required under such Act to be a part of and
govern this Indenture, the latter provision shall control. If any provision of
this Indenture modifies or excludes any provision of the Trust Indenture Act
that may be so modified or excluded, the latter provision shall be deemed to
apply to this Indenture as so modified or excluded, as the case may be.

SECTION 108. Effect of Headings and Table of Contents.

      The Article and Section headings herein and the Table of Contents are for
convenience only and shall not affect the construction hereof.

SECTION 109. Successors and Assigns.

      All covenants and agreements in this Indenture by the Partnership shall
bind its successors and assigns, whether so expressed or not.

SECTION 110. Separability Clause.

      In case any provision in this Indenture or in the Securities shall be
invalid, illegal or unenforceable, the validity, legality and enforceability of
the remaining provisions shall not in any way be affected or impaired thereby.


                                      -13-
<PAGE>
SECTION 111. Benefits of Indenture.

      Nothing in this Indenture or in the Securities, express or implied, shall
give to any Person, other than the parties hereto and their successors hereunder
and the Holders, any benefit or any legal or equitable right, remedy or claim
under this Indenture.

SECTION 112. Governing Law.

      This Indenture and the Securities shall be governed by and construed in
accordance with the law of the State of New York.

SECTION 113. Legal Holidays.

      In any case where any Interest Payment Date, Redemption Date or Stated
Maturity of any Security shall not be a Business Day at any Place of Payment,
then (notwithstanding any other provision of this Indenture or of the Securities
(other than a provision of the Securities of any series which specifically
states that such provision shall apply in lieu of this Section)) payment of
interest or principal (and premium, if any) need not be made at such Place of
Payment on such date, but may be made on the next succeeding Business Day at
such Place of Payment with the same force and effect as if made on the Interest
Payment Date or Redemption Date, or at the Stated Maturity, provided that no
interest shall accrue for the period from and after such Interest Payment Date,
Redemption Date or Stated Maturity, as the case may be.

SECTION 114. Language of Notices, Etc.

      Any request, demand, authorization, direction, notice, consent, waiver or
Act required or permitted under this Indenture shall be in the English language,
except that any published notice may be in an official language of the country
of publication.

SECTION 115. Non-Recourse to the General Partners; No Personal Liability of
Officers, Directors, Employees or Partners.

      Obligations of the Partnership under this Indenture and the Securities
hereunder are non-recourse to the General Partners, and their respective
Affiliates (other than the Partnership), and payable only out of cash flow and
assets of the Partnership. The Trustee, and each Holder of a Security by its
acceptance thereof, will be deemed to have agreed in this Indenture that (1)
neither the General Partners nor their assets (nor any of their respective
Affiliates other than the Partnership, nor their respective assets) shall be
liable for any of the obligations of the Partnership under this Indenture or
such Securities, and (2) no director, officer, employee, stockholder or
unitholder, as such, of the Partnership, the Trustee, the General Partners or
any Affiliate of any of the foregoing entities shall have any personal liability
in respect of the obligations of the Partnership under this Indenture or such
Securities by reason of his, her or its status.


                                      -14-
<PAGE>
                                   ARTICLE II

                                 SECURITY FORMS

SECTION 201. Forms Generally.

      The Securities of each series shall be in substantially the form set forth
in this Article, or in such other form as shall be established by or pursuant to
a Board Resolution or in one or more indentures supplemental hereto, in each
case with such appropriate insertions, omissions, substitutions and other
variations as are required or permitted by this Indenture, and may have such
letters, numbers or other marks of identification and such legends or
endorsements placed thereon as may be required to comply with applicable tax
laws or the rules of any securities exchange or automated quotation system on
which the Securities of such series may be listed or traded or Depositary
therefor or as may, consistently herewith, be determined by the officers
executing such Securities, as evidenced by their execution of the Securities. If
the form of Securities of any series is established by action taken pursuant to
a Board Resolution, a copy of an appropriate record of such action shall be
certified by an authorized officer or other authorized Person on behalf of the
Partnership and delivered to the Trustee at or prior to the delivery of the
Partnership Order contemplated by Section 303 for the authentication and
delivery of such Securities.

      The definitive Securities shall be printed, lithographed or engraved on
steel engraved borders or may be produced in any other manner, all as determined
by the officers executing such Securities, as evidenced by their execution of
such Securities.

SECTION 202. Form of Face of Security.

      [Insert any legend required by the United States Internal Revenue Code and
the regulations thereunder.]

      [If a Global Security, -- insert legend required by Section 204 of the
Indenture] [If applicable, insert -- UNLESS THIS SECURITY IS PRESENTED BY AN
AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY TRUST COMPANY, A NEW YORK
CORPORATION, TO THE PARTNERSHIP OR ITS AGENT FOR REGISTRATION OF TRANSFER,
EXCHANGE OR PAYMENT, AND ANY SECURITY ISSUED IS REGISTERED IN THE NAME OF CEDE &
CO. OR SUCH OTHER NAME AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF THE
DEPOSITORY TRUST COMPANY (AND ANY PAYMENT IS MADE TO CEDE & CO. OR TO SUCH OTHER
ENTITY AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY TRUST
COMPANY), ANY TRANSFER, PLEDGE OR OTHER USE HEREOF FOR VALUE OR OTHERWISE BY OR
TO ANY PERSON IS WRONGFUL IN AS MUCH AS THE REGISTERED OWNER HEREOF, CEDE & CO.,
HAS AN INTEREST HEREIN.]

                        ALLIANCE RESOURCE PARTNERS, L.P.

                               [TITLE OF SECURITY]

No. __________                                                  U.S. $__________

[CUSIP No. [__________]]

      ALLIANCE RESOURCE PARTNERS, L.P., a Delaware limited partnership (herein
called the "Partnership," which term includes any successor Person under the
Indenture hereinafter referred to), for value


                                      -15-
<PAGE>
received, hereby promises to pay to _____________________, or registered
assigns, the principal sum of United States Dollars on _______________ [if the
Security is to bear interest prior to Maturity, insert --, and to pay interest
thereon from ______________, or from the most recent Interest Payment Date to
which interest has been paid or duly provided for, semi-annually on __________
and __________ in each year, commencing __________, ____, at the rate of ___%
per annum, until the principal hereof is paid or made available for payment [if
applicable, insert --, and at the rate of ___% per annum on any overdue
principal and premium and on any overdue installment of interest]. [If
applicable, insert -- The amount of interest payable for any period shall be
computed on the basis of twelve 30-day months and a 360-day year. The amount of
interest payable for any partial period shall be computed on the basis of a
360-day year of twelve 30-day months and the days elapsed in any partial month.
In the event that any date on which interest is payable on this Security is not
a Business Day, then a payment of the interest payable on such date will be made
on the next succeeding day which is a Business Day (and without any interest or
other payment in respect of any such delay) with the same force and effect as if
made on the date the payment was originally payable. A "Business Day" shall
mean, when used with respect to any Place of Payment, each Monday, Tuesday,
Wednesday, Thursday and Friday which is not a day on which banking institutions
in that Place of Payment are authorized or obligated by law, executive order or
regulation to close.] The interest so payable, and punctually paid or duly
provided for, on any Interest Payment Date will, as provided in such Indenture,
be paid to the Person in whose name this Security (or one or more Predecessor
Securities) is registered at the close of business on the Regular Record Date
for such interest, which shall be the __________ or __________ (regardless of
whether a Business Day), as the case may be, next preceding such Interest
Payment Date. Any such interest not so punctually paid or duly provided for
shall forthwith cease to be payable to the Holder on such Regular Record Date
and may either be paid to the Person in whose name this Security (or one or more
Predecessor Securities) is registered at the close of business on a Special
Record Date for the payment of such Defaulted Interest to be fixed by the
Trustee, notice of which shall be given to Holders of Securities of this series
not less than 10 days prior to such Special Record Date, or be paid at any time
in any other lawful manner not inconsistent with the requirements of any
securities exchange or automated quotation system on which the Securities of
this series may be listed or traded, and upon such notice as may be required by
such exchange or automated quotation system, all as more fully provided in such
Indenture].

      [If the Security is not to bear interest prior to Maturity, insert -- The
principal of this Security shall not bear interest except in the case of a
default in payment of principal upon acceleration, upon redemption or at Stated
Maturity and in such case the overdue principal of this Security shall bear
interest at the rate of ___% per annum, which shall accrue from the date of such
default in payment to the date payment of such principal has been made or duly
provided for. Interest on any overdue principal shall be payable on demand. Any
such interest on any overdue principal that is not so paid on demand shall bear
interest at the rate of ___% per annum, which shall accrue from the date of such
demand for payment to the date payment of such interest has been made or duly
provided for, and such interest shall also be payable on demand.]

      [If a Global Security, insert -- Payment of the principal of [(and
premium, if any)] and [if applicable, insert -- any such] interest on this
Security will be made by transfer of immediately available funds to a bank
account in _______________ designated by the Holder in such coin or currency of
the United States of America as at the time of payment is legal tender for
payment of public and private debts [state other currency].]

      [If a Definitive Security, insert -- Payment of the principal of [(and
premium, if any)] and [if applicable, insert -- any such] interest on this
Security will be made at the office or agency of the Partnership maintained for
that purpose in _______________, [in such coin or currency of the United States
of America as at the time of payment is legal tender for payment of public and
private debts] [state other currency] [or subject to any laws or regulations
applicable thereto and to the right of the Partnership (as provided in the
Indenture) to rescind the designation of any such Paying Agent, at the [main]
offices of _______________ in _______________ and _______________ in
_______________, or at such other offices or agencies as the Partnership may
designate, by [United States Dollar] [state other currency] check drawn on, or
transfer to a [United States Dollar] account maintained by the payee with, a
bank in The City of New York (so long as the applicable Paying Agent has
received proper transfer instructions in writing at least [__] days prior to the
payment date)] [if applicable, insert -- ; provided, however, that payment of
interest may be made at the option of the Partnership by [United States Dollar]
[state other currency] check mailed to the addresses of the Persons entitled
thereto as such addresses shall appear in the Security Register] [or by transfer
to a [United States Dollar] [state other currency] account maintained by the
payee with a bank in The City of New York [state other Place of Payment] (so
long as the applicable Paying Agent


                                      -16-
<PAGE>
has received proper transfer instructions in writing by the Record Date prior to
the applicable Interest Payment Date)].]

      Reference is hereby made to the further provisions of this Security set
forth on the reverse hereof, which further provisions shall for all purposes
have the same effect as if set forth at this place.

      Unless the certificate of authentication hereon has been executed by the
Trustee referred to on the reverse hereof by manual signature, this Security
shall not be entitled to any benefit under the Indenture or be valid or
obligatory for any purpose.

      IN WITNESS WHEREOF, the Partnership has caused this instrument to be duly
executed.

Dated: __________, ____

                                        ALLIANCE RESOURCE PARTNERS, L.P.,

                                        By: Alliance Resource Management GP, LLC
                                            Its Managing General Partner


                                            By:_________________________________
                                            Name:_______________________________
                                            Title:______________________________

SECTION 203. Form of Reverse of Security.

      This Security is one of a duly authorized issue of securities of the
Partnership (the "Securities"), issued and to be issued in one or more series
under an Indenture dated as of _________ __, 200[__] (the "Indenture"), between
the Partnership and _________________________, as Trustee (the "Trustee," which
term includes any successor trustee under the Indenture), to which Indenture and
all indentures supplemental thereto reference is hereby made for a statement of
the respective rights, limitations of rights, obligations, duties and immunities
thereunder of the Partnership, the Trustee and the Holders of the Securities and
of the terms upon which the Securities are, and are to be, authenticated and
delivered. As provided in the Indenture, the Securities may be issued in one or
more series, which different series may be issued in various aggregate principal
amounts, may mature at different times, may bear interest, if any, at different
rates, may be subject to different redemption provisions, if any, may be subject
to different sinking, purchase or analogous funds, if any, may be subject to
different covenants and Events of Default and may otherwise vary as in the
Indenture provided or permitted. This Security is one of the series designated
on the face hereof [if applicable, insert --, limited in aggregate principal
amount to U.S.$______].

      [If applicable, insert -- The Securities of this series are subject to
redemption upon not less than 30 nor more than 60 days' notice by mail, [if
applicable, insert -- (1) on ________________ in any year commencing with the
year ____ and ending with the year ____ through operation of the sinking fund
for this series at a Redemption Price equal to 100% of the principal amount, and
(2)] at any time [if applicable, insert -- on or after ________, ________], as a
whole or in part, at the election of the Partnership, at the following
Redemption Prices (expressed as percentages of the principal amount): If
redeemed [if applicable, insert -- on or before ______________, ___%, and if
redeemed] during the 12-month period beginning of the years indicated, ________

<TABLE>
<CAPTION>
      Year          Redemption Price           Year           Redemption Price
      ----          ----------------           ----           ----------------
<S>                 <C>                        <C>            <C>
</TABLE>

and thereafter at a Redemption Price equal to ___% of the principal amount,
together in the case of any such redemption [if applicable, insert -- (whether
through operation of the sinking fund or otherwise)] with accrued interest to
the Redemption Date, but interest installments whose Stated Maturity is on or
prior to such Redemption Date will be payable to the Holders of such Securities,
or one or more Predecessor Securities, of record at the close of business on the
relevant Record Dates referred to on the face hereof, all as provided in the
Indenture.]


                                      -17-
<PAGE>
      [If applicable, insert -- The Securities of this series are subject to
redemption upon not less than 30 nor more than 60 days' notice by mail, (1) on
________ in any year commencing with the year ____ and ending with the year ____
through operation of the sinking fund for this series at the Redemption Prices
for redemption through operation of the sinking fund (expressed as percentages
of the principal amount) set forth in the table below, and (2) at any time [if
applicable, insert -- on or after ___________], as a whole or in part, at the
election of the Partnership, at the Redemption Prices for redemption otherwise
than through operation of the sinking fund (expressed as percentages of the
principal amount) set forth in the table below: If redeemed during the 12-month
period beginning ____________ of the years indicated,

<TABLE>
<CAPTION>
                                                    Redemption Price for
                     Redemption Price for         Redemption Otherwise Than
                 Redemption Through Operation     Through Operation of the
      Year            of the Sinking Fund               Sinking Fund
      ----            -------------------               ------------
<S>              <C>                              <C>
</TABLE>

and thereafter at a Redemption Price equal to ___% of the principal amount,
together in the case of any such redemption (whether through operation of the
sinking fund or otherwise) with accrued interest to the Redemption Date, but
interest installments whose Stated Maturity is on or prior to such Redemption
Date will be payable to the Holders of such Securities, or one or more
Predecessor Securities, of record at the close of business on the relevant
Record Dates referred to on the face hereof, all as provided in the Indenture.]

      [If applicable, insert -- The sinking fund for this series provides for
the redemption in each year beginning with the year ____ and ending with the
year ____ of [if applicable, -- not less than $_____ ("mandatory sinking fund")
and not more than] $_____ aggregate principal amount of Securities of this
series. Securities of this series acquired or redeemed by the Partnership
otherwise than through [if applicable, -- mandatory] sinking fund payments may
be credited against subsequent [if applicable, -- mandatory] sinking fund
payments otherwise required to be made [if applicable, -- in the inverse order
in which they become due].]

      [If the Security is subject to redemption in part of any kind, insert --
In the event of redemption of this Security in part only, a new Security or
Securities of this series and of like tenor for the unredeemed portion hereof
will be issued in the name of the Holder hereof upon the cancellation hereof.]

      [If applicable, insert -- The Securities of this series are not redeemable
prior to Stated Maturity.]

      [If the Security is not an Original Issue Discount Security, insert -- If
an Event of Default with respect to Securities of this series shall occur and be
continuing, the principal of the Securities of this series may be declared due
and payable in the manner and with the effect provided in the Indenture.]

      [If the Security is an Original Issue Discount Security, insert -- If an
Event of Default with respect to Securities of this series shall occur and be
continuing, an amount of principal of the Securities of this series may be
declared due and payable in the manner and with the effect provided in the
Indenture. Such amount shall be equal to -- insert formula for determining the
amount. Upon payment (1) of the amount of principal so declared due and payable,
and (2) of interest on any overdue principal and overdue interest, all of the
Partnership's obligations in respect of the payment of the principal of and
interest, if any, on the Securities of this series shall terminate.]

      The Indenture permits, with certain exceptions as therein provided, the
amendment thereof and the modification of the rights and obligations of the
Partnership and the rights of the Holders of the Securities of each series to be
affected under the Indenture at any time by the Partnership and the Trustee with
the consent of not less than the Holders of a majority in aggregate principal
amount of the Outstanding Securities of all series to be affected (voting as one
class). The Indenture also contains provisions permitting the Holders of a
majority in aggregate principal amount of the Outstanding Securities of all
affected series (voting as one class), on behalf of the Holders of all
Securities of such series, to waive compliance by the Partnership with certain
provisions of the Indenture. The Indenture permits, with certain exceptions as
therein provided, the Holders of a majority in principal amount of Securities of
any series then Outstanding to waive past defaults under the Indenture with
respect to such series and their consequences. Any such consent or waiver by the
Holder of this Security shall be conclusive and binding upon such Holder and
upon all future Holders of this Security and of any Security issued upon the
registration of transfer


                                      -18-
<PAGE>
hereof or in exchange herefor or in lieu hereof, regardless of whether notation
of such consent or waiver is made upon this Security.

      As provided in and subject to the provisions of the Indenture, the Holder
of this Security shall not have the right to institute any proceeding with
respect to the Indenture or for the appointment of a receiver or trustee or for
any other remedy thereunder, unless such Holder shall have previously given the
Trustee written notice of a continuing Event of Default with respect to the
Securities of this series, the Holders of not less than 25% in principal amount
of the Securities of this series at the time Outstanding shall have made written
request to the Trustee to institute proceedings in respect of such Event of
Default as Trustee and offered the Trustee reasonable indemnity and the Trustee
shall not have received from the Holders of a majority in principal amount of
Securities of this series at the time Outstanding a direction inconsistent with
such request, and shall have failed to institute any such proceeding, for 60
days after receipt of such notice, request and offer of indemnity. The foregoing
shall not apply to any suit instituted by the Holder of this Security for the
enforcement of any payment of principal hereof or [any premium or] interest
hereon on or after the respective due dates expressed herein.

      No reference herein to the Indenture and no provision of this Security or
of the Indenture shall alter or impair the obligation of the Partnership, which
is absolute and unconditional, to pay the principal of and [any premium and]
interest on this Security at the times, place(s) and rate, and in the coin or
currency, herein prescribed.

      [If a Global Security, insert -- This Global Security or portion hereof
may not be exchanged for Definitive Securities of this series except in the
limited circumstances provided in the Indenture.

      The holders of beneficial interests in this Global Security will not be
entitled to receive physical delivery of Definitive Securities except as
described in the Indenture and will not be considered the Holders thereof for
any purpose under the Indenture.]

      [If a Definitive Security, insert -- As provided in the Indenture and
subject to certain limitations therein set forth, the transfer of this Security
is registerable in the Security Register, upon surrender of this Security for
registration of transfer at the office or agency of the Partnership in [if
applicable, insert -- any place where the principal of and any premium and
interest on this Security are payable] [if applicable, insert -- The City of New
York [, or, subject to any laws or regulations applicable thereto and to the
right of the Partnership (limited as provided in the Indenture) to rescind the
designation of any such transfer agent, at the [main] offices of _______________
____________ in __________________ and _________________ in ______________ or at
such other offices or agencies as the Partnership may designate]], duly endorsed
by, or accompanied by a written instrument of transfer in form satisfactory to
the Partnership and the Security Registrar duly executed by, the Holder hereof
or his attorney duly authorized in writing, and thereupon one or more new
Securities of this series and of like tenor, of authorized denominations and for
the same aggregate principal amount, will be issued to the designated transferee
or transferees.]

      The Securities of this series are issuable only in registered form without
coupons in denominations of U.S.$ [state other currency] and any integral
multiple thereof. As provided in the Indenture and subject to certain
limitations therein set forth, Securities of this series are exchangeable for a
like aggregate principal amount of Securities of this series and of like tenor
of a different authorized denomination, as requested by the Holder surrendering
the same.

      No service charge shall be made for any such registration of transfer or
exchange, but the Partnership may require payment of a sum sufficient to cover
any tax or other governmental charge payable in connection therewith.

      Prior to due presentment of this Security for registration of transfer,
the Partnership, the Trustee and any agent of the Partnership or the Trustee may
treat the Person in whose name this Security is registered as the owner hereof
for all purposes, regardless of whether this Security is overdue, and neither
the Partnership, the Trustee nor any such agent shall be affected by notice to
the contrary.

      Obligations of the Partnership under the Indenture and the Securities
thereunder, including this Security, are non-recourse to Alliance Resource
Management GP, LLC (the "Managing General Partner") and Alliance


                                      -19-
<PAGE>
Resource GP, LLC (the "Special General Partner" and, together with the Managing
General Partner, the "General Partners") and their Affiliates (other than the
Partnership), and payable only out of cash flow and assets of the Partnership.
The Trustee, and each Holder of a Security by its acceptance hereof, will be
deemed to have agreed in the Indenture that (1) neither the General Partners nor
their assets (nor any of their Affiliates other than the Partnership, nor their
respective assets) shall be liable for any of the obligations of the Partnership
under the Indenture or such Securities, including this Security, and (2) no
director, officer, employee, stockholder or unitholder, as such, of the
Partnership, the Trustee, the General Partners or any Affiliate of any of the
foregoing entities shall have any personal liability in respect of the
obligations of the Partnership under the Indenture or such Securities by reason
of his, her or its status.

      The Indenture contains provisions that relieve the Partnership from the
obligation to comply with certain restrictive covenants in the Indenture and for
satisfaction and discharge at any time of the entire indebtedness upon
compliance by the Partnership with certain conditions set forth in the
Indenture.

      This Security shall be governed by and construed in accordance with the
laws of the State of New York.

      All terms used in this Security which are defined in the Indenture shall
have the meanings assigned to them in the Indenture.

      [If a Definitive Security, insert as a separate page--

      FOR VALUE RECEIVED, the undersigned hereby sell(s), assign(s) and
transfer(s) unto _____________________________________ (Please Print or
Typewrite Name and Address of Assignee) the within instrument of ALLIANCE
RESOURCE PARTNERS, L.P. and does hereby irrevocably constitute and appoint
________________________ Attorney to transfer said instrument on the books of
the within-named Partnership, with full power of substitution in the premises.

Please Insert Social Security or Other Identifying Number of Assignee:

_____________________________         __________________________________________


Dated: ______________________         (Signature): _____________________________

Signature Guarantee: ___________________________________________________________
                              (Participant in a Recognized Signature
                                    Guaranty Medallion Program)

      NOTICE: The signature to this assignment must correspond with the name as
written upon the face of the within instrument in every particular, without
alteration or enlargement or any change whatever.]

SECTION 204. Global Securities.

      Every Global Security authenticated and delivered hereunder shall bear a
legend in substantially the following form:

      THIS SECURITY IS A GLOBAL SECURITY WITHIN THE MEANING OF THE INDENTURE
      HEREINAFTER REFERRED TO AND IS REGISTERED IN THE NAME OF A DEPOSITARY OR A
      NOMINEE THEREOF. THIS SECURITY MAY NOT BE TRANSFERRED TO, OR REGISTERED OR
      EXCHANGED FOR SECURITIES REGISTERED IN THE NAME OF, ANY PERSON OTHER THAN
      THE DEPOSITARY OR A NOMINEE THEREOF AND NO SUCH TRANSFER MAY BE
      REGISTERED, EXCEPT IN THE LIMITED CIRCUMSTANCES DESCRIBED IN THE
      INDENTURE. EVERY SECURITY AUTHENTICATED AND DELIVERED UPON REGISTRATION OF
      TRANSFER OF, OR IN EXCHANGE FOR OR IN LIEU OF, THIS SECURITY SHALL


                                      -20-
<PAGE>
      BE A GLOBAL SECURITY SUBJECT TO THE FOREGOING, EXCEPT IN SUCH LIMITED
      CIRCUMSTANCES.

      If Securities of a series are issuable in whole or in part in the form of
one or more Global Securities, as specified as contemplated by Section 301,
then, notwithstanding clause (9) of Section 301 and the provisions of Section
302, any Global Security shall represent such of the Outstanding Securities of
such series as shall be specified therein and may provide that it shall
represent the aggregate amount of Outstanding Securities from time to time
endorsed thereon and that the aggregate amount of Outstanding Securities
represented thereby may from time to time be reduced or increased, as the case
may be, to reflect exchanges. Any endorsement of a Global Security to reflect
the amount, or any reduction or increase in the amount, of Outstanding
Securities represented thereby shall be made in such manner and upon
instructions given by such Person or Persons as shall be specified therein or in
a Partnership Order. Subject to the provisions of Sections 303, 304 and 305, the
Trustee shall deliver and redeliver any Global Security in the manner and upon
instructions given by the Person or Persons specified therein or in the
applicable Partnership Order. Any instructions by the Partnership with respect
to endorsement or delivery or redelivery of a Global Security shall be in a
Partnership Order (which need not comply with Section 102 and need not be
accompanied by an Opinion of Counsel).

      The provisions of the last sentence of Section 303 shall apply to any
Security represented by a Global Security if such Security was never issued and
sold by the Partnership and the Partnership delivers to the Trustee the Global
Security together with a Partnership Order (which need not comply with Section
102 and need not be accompanied by an Opinion of Counsel) with regard to the
reduction or increase, as the case may be, in the principal amount of Securities
represented thereby, together with the written statement contemplated by the
last sentence of Section 303.

SECTION 205. Form of Trustee's Certificate and Authorization .

      The Trustee's certificates of authentication shall be in substantially the
following form:

      This is one of the Securities of the series designated therein referred to
in the within-mentioned Indenture.


                                        _______________________________________,
                                                       As Trustee


                                        By: ____________________________________
                                                     Authorized Officer


                                      -21-
<PAGE>
                                  ARTICLE III

                                 THE SECURITIES

SECTION 301. Amount Unlimited; Issuable in Series.

      The aggregate principal amount of Securities which may be authenticated
and delivered under this Indenture is unlimited.

      The Securities may be issued in one or more series. There shall be
established in or pursuant to a Board Resolution and, subject to Section 303,
set forth, or determined in the manner provided, in an Officers' Certificate, or
established in one or more indentures supplemental hereto, prior to the issuance
of Securities of any series,

            (1) the form and title of the Securities of the series (which shall
      distinguish the Securities of the series from Securities of any other
      series);

            (2) any limit upon the aggregate principal amount of the Securities
      of the series which may be authenticated and delivered under this
      Indenture (except for Securities authenticated and delivered upon
      registration of transfer of, or in exchange for, or in lieu of, other
      Securities of the series pursuant to Section 304, 305, 306, 906 or 1107
      and except for any Securities which, pursuant to Section 303, are deemed
      never to have been authenticated and delivered hereunder);

            (3) the Person to whom any interest on a Security of the series
      shall be payable, if other than the Person in whose name that Security (or
      one or more Predecessor Securities) is registered at the close of business
      on the Regular Record Date for such interest;

            (4) the date or dates on which the Securities will be issued and on
      which the principal of, and premium, if any, on the Securities of the
      series is payable or the method of determination thereof;

            (5) the rate or rates (which may be fixed or variable) at which the
      Securities of the series shall bear interest, if any, or the method of
      determination thereof, the date or dates from which such interest shall
      accrue, or the method of determination thereof, the Interest Payment Dates
      on which any such interest shall be payable and the Regular Record Date
      for any interest payable on any Interest Payment Date;

            (6) the place or places where, subject to the provisions of Section
      1002, the principal of and any premium and interest on Securities of the
      series shall be payable, Securities of the series may be surrendered for
      registration of transfer, Securities of the series may be surrendered for
      exchange and notices, and demands to or upon the Partnership in respect of
      the Securities of the series and this Indenture may be served;

            (7) the period or periods, if any, within which, the price or prices
      at which and the terms and conditions upon which Securities of the series
      may be redeemed, in whole or in part, at the option of the Partnership or
      otherwise;


                                      -22-
<PAGE>
            (8) the obligation, if any, of the Partnership to redeem or purchase
      Securities of the series pursuant to any sinking fund or analogous
      provisions or upon the happening of a specified event or at the option of
      a Holder thereof and the period or periods within which, the price or
      prices at which and the terms and conditions upon which Securities of the
      series shall be redeemed or purchased, in whole or in part, pursuant to
      such obligation;

            (9) if other than denominations of $1,000 and any integral multiple
      thereof, the denominations in which Securities of the series shall be
      issuable;

            (10) whether payment of principal of and premium, if any, and
      interest, if any, on the Securities of the series shall be without
      deduction for taxes, assessments or governmental charges paid by Holders
      of the series;

            (11) the currency, currencies or currency units in which payment of
      the principal of and any premium and interest on any Securities of the
      series shall be denominated, payable, redeemable or purchasable if other
      than the currency of the United States of America and the manner of
      determining the equivalent thereof in the currency of the United States of
      America for purposes of the definition of "Outstanding" in Section 101;

            (12) if the amount of payments of principal of or any premium or
      interest on any Securities of the series may be determined with reference
      to an index, the manner in which such amounts shall be determined;

            (13) if the principal of or any premium or interest on any
      Securities of the series is to be payable, at the election of the
      Partnership or a Holder thereof, in one or more currencies or currency
      units other than that or those in which the Securities are stated to be
      payable, the currency, currencies or currency units in which payment of
      the principal of and any premium and interest on Securities of such series
      as to which such election is made shall be payable, and the periods within
      which and the terms and conditions upon which such election is to be made;

            (14) the right, if any, of the Partnership to defer payments of
      interest by extending the interest payment periods and specify the
      duration of such extension, the Interest Payment Dates on which such
      interest shall be payable and whether and under what circumstances
      additional interest on amounts deferred shall be payable;

            (15) if other than the principal amount thereof, the portion of the
      principal amount of Securities of the series which shall be payable upon
      declaration of acceleration of the Maturity thereof pursuant to Section
      502 or the method of determination thereof;

            (16) if and as applicable, that the Securities of the series shall
      be issuable in whole or in part in the form of one or more Global
      Securities (and whether in temporary or permanent global form) and, in
      such case, the Depositary or Depositaries for such Global Security or
      Global Securities and any circumstances other than those set forth in
      Section 305 in which any such Global Security may be transferred to, and
      registered and exchanged for Securities registered in the name of, a
      Person other than the Depositary for


                                      -23-
<PAGE>
      such Global Security or a nominee thereof and in which any such transfer
      may be registered;

            (17) any deletions from, modifications of or additions to the Events
      of Default set forth in Section 501 or the covenants of the Partnership
      set forth in Article X pertaining to the Securities of the series;

            (18) if the terms and conditions upon which any Securities of the
      series may be converted into or exchanged for securities, which may
      include, without limitation, capital stock, of any class or series of the
      Partnership or any other issuer;

            (19) if other than as provided in Sections 1302 and 1303, the terms
      and conditions upon which and the manner in which such series of
      Securities may be defeased or discharged;

            (20) if other than the Trustee, the identity of the Security
      Registrar and any Paying Agent;

            (21) any restrictions or other provisions with respect to the
      transfer or exchange of the Securities;

            (22) the assets, if any, that are pledged as security for the
      payment of the Securities; and

            (23) any other terms of the Securities of the series (which terms
      shall not be inconsistent with the provisions of this Indenture, except as
      permitted by Section 901(5)).

      All Securities of any one series shall be substantially identical except
as to denomination and except as may otherwise be provided in or pursuant to the
Board Resolution referred to above and (subject to Section 303) set forth, or
determined in the manner provided, in the Officers' Certificate referred to
above or in any such indenture supplemental hereto.

      All Securities of any one series need not be issued at the same time and,
unless otherwise provided, a series may be reopened, without the consent of the
Holders, for increases in the aggregate principal amount of such series of
Securities and issuances of additional Securities of such series or for the
establishment of additional terms with respect to the Securities of such series.

      If any of the terms of the series are established by action taken by or
pursuant to a Board Resolution, a copy of an appropriate record of such action
shall be certified by an authorized officer or other authorized person of the
Managing General Partner on behalf of the Partnership and delivered to the
Trustee at or prior to the delivery of the Officers' Certificate setting forth,
or providing the manner for determining, the terms of the series.

      With respect to Securities of a series subject to a Periodic Offering,
such Board Resolution or Officers' Certificate may provide general terms for
Securities of such series and provide either that the specific terms of
particular Securities of such series shall be specified in a Partnership Order,
or that such terms shall be determined by the Partnership, or one or more of


                                      -24-
<PAGE>
the Partnership's agents designated in an Officers' Certificate, in accordance
with a Partnership Order.

SECTION 302. Denominations.

      The Securities of each series shall be issuable only in registered form
without coupons in such denominations as shall be specified as contemplated by
Section 301. In the absence of any such specified denomination with respect to
the Securities of any series, the Securities of such series shall be issuable in
denominations of $1,000 and any integral multiple thereof.

SECTION 303. Execution, Authentication, Delivery and Dating.

      The Securities shall be executed on behalf of the Partnership by the
Chairman of the Board, Chief Executive Officer, Chief Financial Officer,
President or any Vice President of the Managing General Partner and need not be
attested. The signature of any of these officers on the Securities may be manual
or facsimile.

      Securities bearing the manual or facsimile signatures of individuals who
were at any time the proper officers of the Managing General Partner shall bind
the Partnership, notwithstanding that such individuals or any of them have
ceased to hold such offices prior to the authentication and delivery of such
Securities or did not hold such offices at the date of such Securities.

      At any time and from time to time after the execution and delivery of this
Indenture, the Partnership may deliver Securities of any series executed by the
Partnership to the Trustee for authentication, together with a Partnership Order
for the authentication and delivery of such Securities, and the Trustee in
accordance with the Partnership Order shall authenticate and deliver such
Securities; provided, however, that in the case of Securities offered in a
Periodic Offering, the Trustee shall authenticate and deliver such Securities
from time to time in accordance with such other procedures (including, without
limitation, the receipt by the Trustee of oral or electronic instructions from
the Partnership or its duly authorized agents, thereafter promptly confirmed in
writing) acceptable to the Trustee as may be specified by or pursuant to a
Partnership Order delivered to the Trustee prior to the time of the first
authentication of Securities of such series. If the form or terms of the
Securities of the series have been established in or pursuant to one or more
Board Resolutions as permitted by Sections 201 and 301, in authenticating such
Securities, and accepting the additional responsibilities under this Indenture
in relation to such Securities, the Trustee shall be entitled to receive, and
(subject to Section 601) shall be fully protected in relying upon, an Opinion of
Counsel stating,

            (1) if the form or forms of such Securities have been established by
      or pursuant to Board Resolution as permitted by Section 201, that such
      form or forms have been established in conformity with the provisions of
      this Indenture;

            (2) if the terms of such Securities have been, or in the case of
      Securities of a series offered in a Periodic Offering, will be,
      established by or pursuant to a Board Resolution as permitted by Section
      301, that such terms have been, or in the case of Securities of a series
      offered in a Periodic Offering, will be, established in conformity with
      the provisions of this Indenture, subject, in the case of Securities of a
      series offered in a Periodic Offering, to any conditions specified in such
      Opinion of Counsel; and


                                      -25-
<PAGE>
            (3) that such Securities, when authenticated and delivered by the
      Trustee and issued by the Partnership in the manner and subject to any
      conditions specified in such Opinion of Counsel, will constitute valid and
      legally binding obligations of the Partnership enforceable in accordance
      with their terms, subject to bankruptcy, insolvency, fraudulent transfer,
      reorganization, moratorium and similar laws of general applicability
      relating to or affecting creditors' rights and to general equity
      principles.

      If such form or forms or terms have been so established, the Trustee shall
not be required to authenticate such Securities if the issue of such Securities
pursuant to this Indenture will affect the Trustee's own rights, duties or
immunities under the Securities and this Indenture or otherwise in a manner
which is not reasonably acceptable to the Trustee.

      Notwithstanding the provisions of Section 301 and of the preceding
paragraph, if all Securities of a series are not to be originally issued at one
time, it shall not be necessary to deliver the Officers' Certificate otherwise
required pursuant to Section 301 or the Partnership Order and Opinion of Counsel
otherwise required pursuant to such preceding paragraph at or prior to the time
of authentication of each Security of such series if such documents are
delivered at or prior to the authentication upon original issuance of the first
Security of such series to be issued.

      With respect to Securities of a series offered in a Periodic Offering, the
Trustee may rely, as to the authorization by the Partnership of any of such
Securities, the form or forms and terms thereof and the legality, validity,
binding effect and enforceability thereof, upon the Opinion of Counsel and the
other documents delivered pursuant to Sections 201 and 301 and this Section, as
applicable, in connection with the first authentication of Securities of such
series.

      Each Security shall be dated the date of its authentication.

      No Security shall be entitled to any benefit under this Indenture or be
valid or obligatory for any purpose unless there appears on such Security a
certificate of authentication substantially in the form provided for herein
executed by the Trustee by manual signature of an authorized officer, and such
certificate upon any Security shall be conclusive evidence, and the only
evidence, that such Security has been duly authenticated and delivered
hereunder.

      Notwithstanding the foregoing, if any Security shall have been
authenticated and delivered hereunder but never issued and sold by the
Partnership, and the Partnership shall deliver such Security to the Trustee for
cancellation as provided in Section 309 for all purposes of this Indenture, such
Security shall be deemed never to have been authenticated and delivered
hereunder and shall never be entitled to the benefits of this Indenture.

SECTION 304. Temporary Securities.

      Pending the preparation of Definitive Securities of any series, the
Partnership may execute, and upon Partnership Order the Trustee shall
authenticate and deliver, temporary Securities which are printed, lithographed,
typewritten, mimeographed or otherwise produced, in any authorized denomination,
substantially of the tenor of the Definitive Securities in lieu of which they
are issued and with such appropriate insertions, omissions, substitutions and
other


                                      -26-
<PAGE>
variations as the officers executing such Securities may determine, as evidenced
by their execution of such Securities.

      If temporary Securities of any series are issued, the Partnership will
cause Definitive Securities of that series to be prepared without unreasonable
delay. After the preparation of Definitive Securities of such series, the
temporary Securities of such series shall be exchangeable for Definitive
Securities of such series upon surrender of the temporary Securities of such
series at the office or agency of the Partnership maintained pursuant to Section
1002 for the purpose of exchanges of Securities of such series, without charge
to the Holder. Upon surrender for cancellation of any one or more temporary
Securities of any series the Partnership shall execute and the Trustee shall
authenticate and deliver in exchange therefor one or more Definitive Securities
of the same series, of any authorized denominations and of a like aggregate
principal amount and tenor. Until so exchanged the temporary Securities of any
series shall in all respects be entitled to the same benefits under this
Indenture as Definitive Securities of such series and tenor.

SECTION 305. Registration, Registration of Transfer and Exchange.

      The Partnership shall cause to be kept at an office or agency of the
Partnership in The City of New York a register (the register maintained in such
office or in any other office or agency of the Partnership in a Place of Payment
being herein sometimes referred to as the "Security Register") in which, subject
to such reasonable regulations as it may prescribe, the Partnership shall
provide for the registration of Securities and of transfers of Securities. The
Partnership shall, prior to the issuance of any Securities hereunder, appoint
the Trustee as the initial "Security Registrar" for the purpose of registering
Securities and transfers of Securities as herein provided and its corporate
trust office which, at the date hereof, is located at _______________________,
as the initial office or agency in The City of New York where the Security
Register will be maintained. The Partnership may at any time replace such
Security Registrar, change such office or agency or act as its own Security
Registrar. The Partnership will give prompt written notice to the Trustee of any
change of the Security Registrar or of the location of such office or agency.

      Upon surrender for registration of transfer of any Security of any series
at the office or agency of the Partnership maintained pursuant to Section 1002
for such purpose, the Partnership shall execute, and the Trustee shall
authenticate and deliver, in the name of the designated transferee or
transferees, one or more new Securities of the same series, of any authorized
denominations and of a like aggregate principal amount and tenor.

      At the option of the Holder, Securities of any series (except a Global
Security) may be exchanged for other Securities of the same series, of any
authorized denominations and of a like aggregate principal amount and tenor,
upon surrender of the Securities to be exchanged at such office or agency.
Whenever any Securities are so surrendered for exchange, the Partnership shall
execute, and the Trustee shall authenticate and deliver, the Securities which
the Holder making the exchange is entitled to receive.

      All Securities issued upon any registration of transfer or exchange of
Securities shall be the valid obligations of the Partnership, evidencing the
same debt, and entitled to the same


                                      -27-
<PAGE>
benefits under this Indenture, as the Securities surrendered upon such
registration of transfer or exchange.

      Every Security presented or surrendered for registration of transfer or
for exchange shall (if so required by the Partnership or the Trustee) be duly
endorsed, or be accompanied by a written instrument of transfer in form
satisfactory to the Partnership and the Security Registrar duly executed, by the
Holder thereof or his attorney duly authorized in writing.

      No service charge shall be made for any registration of transfer or
exchange of Securities, but the Partnership may require payment of a sum
sufficient to cover any tax or other governmental charge that may be imposed in
connection with any registration of transfer or exchange of Securities, other
than exchanges pursuant to Section 304 or 1107 not involving any transfer.

      Neither the Trustee nor the Partnership shall be required (1) to issue,
register the transfer of or exchange Securities of any series (or of any series
and specified tenor, as the case may be) during a period beginning at the
opening of business 15 days before the day of mailing of a notice of redemption
of Securities of that series selected for redemption under Section 1103 and
ending at the close of business on the day of such mailing, or (2) to register
the transfer of or exchange any Security so selected for redemption in whole or
in part, except the unredeemed portion of any Security being redeemed in part.

      Notwithstanding any other provision in this Indenture and except as
otherwise specified as contemplated by Section 301, no Global Security may be
transferred to, or registered or exchanged for Securities registered in the name
of, any Person other than the Depositary for such Global Security or any nominee
thereof, and no such transfer may be registered, except as provided in this
paragraph. Every Security authenticated and delivered upon registration or
transfer of, or in exchange for or in lieu of, a Global Security shall be a
Global Security, except as provided in this paragraph. If (1) (A) the Depositary
for a Global Security notifies the Partnership that it is unwilling or unable to
continue as Depositary for such Global Security or ceases to be a clearing
agency registered under the Exchange Act, and (B) a successor Depositary is not
appointed by the Partnership within 90 days, (2) an Event of Default has
occurred and is continuing with respect to the Securities of such series and the
Security Registrar has received a request from the Depositary to issue
certificated securities in lieu of all or a portion of the Global Securities of
such series (in which case the Partnership shall deliver certificated securities
within 30 days of such request) or (3) the Partnership determines in its sole
discretion that Securities of a series issued in global form shall no longer be
represented by a Global Security, then such Global Security may be exchanged by
such Depositary for Definitive Securities of the same series, of any authorized
denomination and of a like aggregate principal amount and tenor, registered in
the names of, and the transfer of such Global Security or portion thereof may be
registered to, such Persons as such Depositary shall direct.

SECTION 306. Mutilated, Destroyed, Lost and Stolen Securities.

      If any mutilated Security is surrendered to the Trustee, together with
such security or indemnity as may be required by the Partnership or the Trustee
to save each of them and any agent of either of them harmless, the Partnership
shall execute and the Trustee shall authenticate


                                      -28-
<PAGE>
and deliver in exchange therefor a new Security of the same series and of like
tenor and principal amount and bearing a number not contemporaneously
outstanding.

      If there shall be delivered to the Partnership and the Trustee (1)
evidence to their satisfaction of the destruction, loss or theft of any Security
and (2) such security or indemnity as may be required by them to save each of
them and any agent of either of them harmless, then, in the absence of notice to
the Partnership or the Trustee that such Security has been acquired by a bona
fide purchaser, the Partnership shall execute and the Trustee shall authenticate
and deliver, in lieu of any such destroyed, lost or stolen Security, a new
Security of the same series and of like tenor and principal amount and bearing a
number not contemporaneously outstanding. If, after the delivery of such new
Security, a bona fide purchaser of the original Security in lieu of which such
new Security was issued presents for payment or registration such original
Security, the Trustee shall be entitled to recover such new Security from the
party to whom it was delivered or any party taking therefrom, except a bona fide
purchaser, and shall be entitled to recover upon the security or indemnity
provided therefor to the extent of any loss, damage, cost or expense incurred by
the Partnership and the Trustee in connection therewith.

      In case any such mutilated, destroyed, lost or stolen Security has become
or is about to become due and payable, the Partnership in its discretion may,
instead of issuing a new Security, pay such Security.

      Upon the issuance of any new Security under this Section, the Partnership
may require the payment of a sum sufficient to cover any tax or other
governmental charge that may be imposed in relation thereto and any other
expenses (including the fees and expenses of the Trustee) connected therewith.
Every new Security of any series issued pursuant to this Section in exchange for
any mutilated Security or in lieu of any destroyed, lost or stolen Security
shall constitute an original additional contractual obligation of the
Partnership, regardless of whether the mutilated, destroyed, lost or stolen
Security shall be at any time enforceable by anyone, and shall be entitled to
all the benefits of this Indenture equally and proportionately with any and all
other Securities of that series duly issued hereunder.

      The provisions of this Section are exclusive and shall preclude (to the
extent lawful) all other rights and remedies with respect to the replacement or
payment of mutilated, destroyed, lost or stolen Securities.

SECTION 307. Payment of Interest; Interest Rights Preserved.

      Except as otherwise provided as contemplated by Section 301 with respect
to any series of Securities, interest on any Security which is payable, and is
punctually paid or duly provided for, on any Interest Payment Date shall be paid
to the Person in whose name that Security (or one or more Predecessor
Securities) is registered at the close of business on the Regular Record Date
for such interest.

      Any interest on any Security of any series which is payable, but is not
punctually paid or duly provided for, on any Interest Payment Date (herein
called "Defaulted Interest") shall forthwith cease to be payable to the Holder
on the relevant Regular Record Date by virtue of


                                      -29-
<PAGE>
having been such Holder, and such Defaulted Interest may be paid by the
Partnership, at its election in each case, as provided in clause (1) or (2)
below:

            (1) The Partnership may elect to make payment of any Defaulted
      Interest to the Persons in whose names the Securities of such series (or
      their respective Predecessor Securities) are registered at the close of
      business on a Special Record Date for the payment of such Defaulted
      Interest, which shall be fixed in the following manner. The Partnership
      shall notify the Trustee in writing of the amount of Defaulted Interest
      proposed to be paid on each Security of such series and the date of the
      proposed payment, and at the same time the Partnership shall deposit with
      the Trustee an amount of money equal to the aggregate amount proposed to
      be paid in respect of such Defaulted Interest or shall make arrangements
      satisfactory to the Trustee for such deposit prior to the date of the
      proposed payment, such money when deposited to be held in trust for the
      benefit of the Persons entitled to such Defaulted Interest as in this
      clause provided. Thereupon the Trustee shall fix a Special Record Date for
      the payment of such Defaulted Interest which shall be not more than 15
      days and not less than 10 days prior to the date of the proposed payment
      and not less than 10 days after the receipt by the Trustee of the notice
      of the proposed payment. The Trustee shall promptly notify the Partnership
      of such Special Record Date and, in the name and at the expense of the
      Partnership, shall cause notice of the proposed payment of such Defaulted
      Interest and the Special Record Date therefor to be mailed, first-class
      postage prepaid, to each Holder of Securities of such series at his
      address as it appears in the Security Register, not less than 10 days
      prior to such Special Record Date. Notice of the proposed payment of such
      Defaulted Interest and the Special Record Date therefor having been so
      mailed, such Defaulted Interest shall be paid to the Persons in whose
      names the Securities of such series (or their respective Predecessor
      Securities) are registered at the close of business on such Special Record
      Date and shall no longer be payable pursuant to the following clause (2).

            (2) The Partnership may make payment of any Defaulted Interest on
      the Securities of any series in any other lawful manner not inconsistent
      with the requirements of any securities exchange or automated quotation
      system on which such Securities may be listed or traded, and upon such
      notice as may be required by such exchange, if, after notice given by the
      Partnership to the Trustee of the proposed payment pursuant to this
      clause, such manner of payment shall be deemed practicable by the Trustee.

      Subject to the foregoing provisions of this Section and Section 305, each
Security delivered under this Indenture upon registration of transfer of or in
exchange for or in lieu of any other Security, shall carry the rights to
interest accrued and unpaid, and to accrue, which were carried by such other
Security.

      For each series of Securities, the Partnership shall, prior to 11:00 a.m.
(New York City time) on each payment date for principal and premium, if any, and
interest, if any, deposit with the Trustee money in immediately available funds
sufficient to make cash payments due on the applicable payment date.


                                      -30-
<PAGE>
SECTION 308. Persons Deemed Owners.

      Except as otherwise provided as contemplated by Section 301 with respect
to any series of Securities, prior to due presentment of a Security for
registration of transfer, the Partnership, the Trustee and any agent of the
Partnership or the Trustee may treat the Person in whose name such Security is
registered as the owner of such Security for the purpose of receiving payment of
principal of and any premium and (subject to Sections 305 and 307) any interest
on such Security and for all other purposes whatsoever, regardless of whether
such Security is overdue, and neither the Partnership, the Trustee nor any agent
of the Partnership or the Trustee shall be affected by notice to the contrary.

      No holder of any beneficial interest in any Global Security held on its
behalf by a Depositary shall have any rights under this Indenture with respect
to such Global Security, and such Depositary may be treated by the Partnership,
the Trustee and any agent of the Partnership or the Trustee as the owner of such
Global Security for all purposes whatsoever. None of the Partnership, the
Trustee nor any agent of the Partnership or the Trustee will have any
responsibility or liability for any aspect of the records relating to or
payments made on account of beneficial ownership interests of a Global Security
or for maintaining, supervising or reviewing any records relating to such
beneficial ownership interests.

SECTION 309. Cancellation.

      All Securities surrendered for payment, redemption, registration of
transfer or exchange or for credit against any sinking fund payment shall, if
surrendered to any Person other than the Trustee, be delivered to the Trustee
and shall be promptly canceled by it. The Partnership may at any time deliver to
the Trustee for cancellation any Securities previously authenticated and
delivered hereunder which the Partnership may have acquired in any manner
whatsoever, and may deliver to the Trustee (or to any other Person for delivery
to the Trustee) for cancellation any Securities previously authenticated
hereunder which the Partnership has not issued and sold, and all Securities so
delivered shall be promptly canceled by the Trustee. No Securities shall be
authenticated in lieu of or in exchange for any Securities canceled as provided
in this Section, except as expressly permitted by this Indenture. All canceled
Securities held by the Trustee shall be disposed of in accordance with its
customary procedures, and the Trustee shall thereafter deliver to the
Partnership a certificate with respect to such disposition.

SECTION 310. Computation of Interest.

      Except as otherwise specified as contemplated by Section 301 for
Securities of any series, interest on the Securities of each series shall be
computed on the basis of a 360-day year of twelve 30-day months and interest on
the Securities of each series for any partial period shall be computed on the
basis of a 360-day year of twelve 30-day months and the number of days elapsed
in any partial month.

SECTION 311. CUSIP Numbers.

      The Partnership in issuing the Securities may use "CUSIP" numbers (in
addition to the other identification numbers printed on the Securities), and, if
so, the Trustee shall use "CUSIP" numbers in notices of redemption as a
convenience to Holders; provided, however, that any such


                                      -31-
<PAGE>
notice may state that no representation is made as to the correctness of such
"CUSIP" numbers either as printed on the Securities or as contained in any
notice of a redemption and that reliance may be placed only on the other
identification numbers printed on the Securities, and any such redemption shall
not be affected by any defect in or omission of such "CUSIP" numbers.

                                   ARTICLE IV

                           SATISFACTION AND DISCHARGE

SECTION 401. Satisfaction and Discharge of Indenture.

      This Indenture shall upon Partnership Request cease to be of further
effect with respect to Securities of any series (except as to any surviving
rights of registration of transfer or exchange of such Securities herein
expressly provided for), and the Trustee, at the expense of the Partnership,
shall execute proper instruments acknowledging satisfaction and discharge of
this Indenture with respect to such Securities, when

            (1) either

            (A) all such Securities theretofore authenticated and delivered
      (other than (i) such Securities which have been destroyed, lost or stolen
      and which have been replaced or paid as provided in Section 306, and (ii)
      such Securities for whose payment money has theretofore been deposited in
      trust or segregated and held in trust by the Partnership and thereafter
      repaid to the Partnership or discharged from such trust, as provided in
      Section 1003) have been delivered to the Trustee for cancellation; or

            (B) all such Securities not theretofore delivered to the Trustee for
      cancellation

                        (i) have become due and payable,

                        (ii) will become due and payable at their Stated
                  Maturity within one year, or

                        (iii) are to be called for redemption within one year
                  under arrangements satisfactory to the Trustee for the giving
                  of notice of redemption by the Trustee in the name, and at the
                  expense, of the Partnership,

and the Partnership in the case of (i), (ii) or (iii) above, has irrevocably
deposited or caused to be deposited with the Trustee as trust funds in trust for
this purpose an amount of money in the currency or currency units in which such
Securities are payable sufficient to pay and discharge the entire indebtedness
on such Securities not theretofore delivered to the Trustee for cancellation,
for principal and any premium and interest to the date of such deposit (in the
case of Securities which have become due and payable) or to the Stated Maturity
or Redemption Date, as the case may be;

            (2) the Partnership has paid or caused to be paid all other sums
      payable hereunder by the Partnership with respect to such Securities; and


                                      -32-
<PAGE>
            (3) the Partnership has delivered to the Trustee an Officers'
      Certificate and an Opinion of Counsel, each stating that all conditions
      precedent herein provided for relating to the satisfaction and discharge
      of this Indenture with respect to such Securities have been complied with.

      Notwithstanding the satisfaction and discharge of this Indenture with
respect to Securities of any series, (x) the obligations of the Partnership to
the Trustee under Section 607, the obligations of the Trustee to any
Authenticating Agent under Section 614 and the right of the Trustee to resign
under Section 610 shall survive, and (y) if money shall have been deposited with
the Trustee pursuant to subclause (B) of clause (1) of this Section, the
obligations of the Partnership and/or the Trustee under Sections 402, 606, 701
and 1002 and the last paragraph of Section 1003 shall survive.

SECTION 402. Application of Trust Money.

      Subject to the provisions of the last paragraph of Section 1003, all money
deposited with the Trustee pursuant to Section 401 shall be held in trust and
applied by it, in accordance with the provisions of the Securities and this
Indenture, to the payment, either directly or through any Paying Agent
(including the Partnership acting as its own Paying Agent) as the Trustee may
determine, to the Persons entitled thereto, of the principal and any premium and
interest for whose payment such money has been deposited with the Trustee.

                                   ARTICLE V

                                    REMEDIES

SECTION 501. Events of Default.

      "Event of Default," wherever used herein with respect to Securities of any
series, means any one of the following events (whatever the reason for such
Event of Default and whether it shall be voluntary or involuntary or be effected
by operation of law or pursuant to any judgment, decree or order of any court or
any order, rule or regulation of any administrative or governmental body):

            (1) default in the payment of any interest upon any Security of that
      series when it becomes due and payable, and continuance of such default
      for a period of 30 days; or

            (2) default in the payment of the principal of (or premium, if any,
      on) any Security of that series at its Maturity; or

            (3) default in the performance, or breach, of any term, covenant or
      warranty of the Partnership in this Indenture (other than a term, covenant
      or warranty a default in whose performance or whose breach is elsewhere in
      this Section specifically dealt with or which has expressly been included
      in this Indenture solely for the benefit of series of Securities other
      than that series), and continuance of such default or breach for a period
      of 60 days after there has been given, by registered or certified mail, to
      the Partnership by the Trustee or to the Partnership and the Trustee by
      the Holders of at least 25% in


                                      -33-
<PAGE>
      principal amount of the Outstanding Securities of that series a written
      notice specifying such default or breach and requiring it to be remedied
      and stating that such notice is a "Notice of Default" hereunder; or

            (4) the Partnership pursuant to or within the meaning of any
      Bankruptcy Law (A) commences a voluntary case, (B) consents to the entry
      of any order for relief against it in an involuntary case, (C) consents to
      the appointment of a Custodian of it or for all or substantially all of
      its property, or (D) makes a general assignment for the benefit of its
      creditors; or

            (5) a court of competent jurisdiction enters an order or decree
      under any Bankruptcy Law that (A) is for relief against the Partnership in
      an involuntary case, (B) appoints a Custodian of the Partnership or for
      all or substantially all of its property, or (C) orders the liquidation of
      the Partnership; and the order or decree remains unstayed and in effect
      for 90 days; or

            (6) any other Event of Default provided as contemplated by Section
      301 with respect to Securities of that series.

SECTION 502. Acceleration of Maturity; Rescission and Annulment.

      If an Event of Default (other than an Event of Default specified in clause
(4) or (5) of Section 501 hereof) with respect to Securities of any series at
the time Outstanding occurs and is continuing, then in every such case the
Trustee or the Holders of not less than 25% in principal amount of the
Outstanding Securities of that series may declare the principal amount of (or,
if any of the Securities of that series are Original Issue Discount Securities,
such portion of the principal amount of such Securities as may be specified in
the terms thereof), and accrued but unpaid interest, if any, on all of the
Securities of that series to be due and payable immediately, by a notice in
writing to the Partnership (and to the Trustee if given by Holders), and upon
any such declaration such principal amount (or specified amount) shall become
immediately due and payable. If an Event of Default specified in clause (4) or
(5) of Section 501 hereof occurs, the principal amount of (or, if any of the
Securities of that series are Original Issue Discount Securities, such portion
of the principal amount of such Securities as may be specified in the terms
thereof), and accrued but unpaid interest, if any, on all of the Securities then
outstanding shall ipso facto become and be immediately due and payable without
declaration, notice or other act on the part of the Trustee or any Holder.

      At any time after such a declaration of acceleration with respect to
Securities of any series has been made and before a judgment or decree for
payment of the money due has been obtained by the Trustee as hereinafter in this
Article provided, the Holders of a majority in principal amount of the
Outstanding Securities of that series, by written notice to the Partnership and
the Trustee, may rescind and annul such declaration and its consequences if

            (1) the Partnership has paid or deposited with the Trustee a sum
      sufficient to pay

            (A) all overdue interest on all Securities of that series,


                                      -34-
<PAGE>
            (B) the principal of (and premium, if any, on) any Securities of
      that series which have become due otherwise than by such declaration of
      acceleration and any interest thereon at the rate or rates prescribed
      therefor in such Securities,

            (C) to the extent that payment of such interest is lawful, interest
      upon overdue interest at the rate or rates prescribed therefor in such
      Securities, and

            (D) all sums paid or advanced by the Trustee hereunder and the
      reasonable compensation, expenses, disbursements and advances of the
      Trustee, its agents and counsel; and

            (2) all Events of Default with respect to Securities of that series,
      other than the non-payment of the principal of Securities of that series
      which have become due solely by such declaration of acceleration, have
      been cured or waived as provided in Section 513.

      No such rescission shall affect any subsequent Default or impair any right
consequent thereon.

SECTION 503. Collection of Indebtedness and Suits for Enforcement by Trustee.

      The Partnership covenants that if

            (1) default is made in the payment of any interest on any Security
      when such interest becomes due and payable and such default continues for
      a period of 30 days, or

            (2) default is made in the payment of the principal of (or premium,
      if any, on) any Security at the Maturity thereof,

the Partnership will, upon demand of the Trustee, pay to it, for the benefit of
the Holders of such Securities, the whole amount then due and payable on such
Securities for principal and any premium and interest and, to the extent that
payment of such interest shall be legally enforceable, interest on any overdue
principal and premium and on any overdue interest, at the rate or rates
prescribed therefor in such Securities, and, in addition thereto, such further
amount as shall be sufficient to cover the costs and expenses of collection,
including the reasonable compensation, expenses, disbursements and advances of
the Trustee, its agents and counsel.

      If the Partnership fails to pay such amounts forthwith upon such demand,
the Trustee, in its own name and as trustee of an express trust, may institute a
judicial proceeding for the collection of the sums so due and unpaid, may
prosecute such proceeding to judgment or final decree and may enforce the same
against the Partnership or any other obligor upon such Securities and collect
the moneys adjudged or decreed to be payable in the manner provided by law out
of the property of the Partnership or any other obligor upon such Securities,
wherever situated.

      If an Event of Default with respect to Securities of any series occurs and
is continuing, the Trustee may in its discretion proceed to protect and enforce
its rights and the rights of the Holders of Securities of such series by such
appropriate judicial proceedings as the Trustee shall


                                      -35-
<PAGE>
deem most effectual to protect and enforce any such rights, whether for the
specific enforcement of any covenant or agreement in this Indenture or in aid of
the exercise of any power granted herein, or to enforce any other proper remedy.

SECTION 504. Trustee May File Proofs of Claim.

      In case of any judicial proceeding relative to the Partnership or any
other obligor upon the Securities, their property or their creditors, the
Trustee shall be entitled and empowered, by intervention in such proceeding or
otherwise, to take any and all actions authorized under the Trust Indenture Act
in order to have claims of the Holders and the Trustee allowed in any such
proceeding. In particular, the Trustee shall be authorized to collect and
receive any moneys or other property payable or deliverable on any such claims
and to distribute the same; and any custodian, receiver, assignee, trustee,
liquidator, sequestrator or other similar official in any such judicial
proceeding is hereby authorized by each Holder to make such payments to the
Trustee and, in the event that the Trustee shall consent to the making of such
payments directly to the Holders, to pay to the Trustee any amount due it for
the reasonable compensation, expenses, disbursements and advances of the
Trustee, its agents and counsel, and any other amounts due the Trustee under
Section 607.

      No provision of this Indenture shall be deemed to authorize the Trustee to
authorize or consent to or accept or adopt on behalf of any Holder any plan of
reorganization, arrangement, adjustment or composition affecting the Securities
or the rights of any Holder thereof or to authorize the Trustee to vote in
respect of the claim of any Holder in any such proceeding; provided, however,
that the Trustee may, on behalf of the Holders, vote for the election of a
trustee in bankruptcy or similar official and be a member of a creditors' or
other similar committee.

SECTION 505. Trustee May Enforce Claims Without Possession of Securities.

      All rights of action and claims under this Indenture or the Securities may
be prosecuted and enforced by the Trustee without the possession of any of the
Securities or the production thereof in any proceeding relating thereto, and any
such proceeding instituted by the Trustee shall be brought in its own name as
trustee of an express trust, and any recovery of judgment shall, after provision
for the payment of the reasonable compensation, expenses, disbursements and
advances of the Trustee, its agents and counsel, be for the ratable benefit of
the Holders of the Securities in respect of which such judgment has been
recovered.

SECTION 506. Application of Money Collected.

      Any money or property collected or to be applied by the Trustee pursuant
to this Article shall be applied in the following order, at the date or dates
fixed by the Trustee and, in case of the distribution of such money or property
on account of principal or any premium or interest, upon presentation of the
Securities and the notation thereon of the payment if only partially paid and
upon surrender thereof if fully paid:

      FIRST:  To the payment of all amounts due the Trustee under Section 607;


                                      -36-
<PAGE>
      SECOND: To the payment of the amounts then due and unpaid for principal of
              and any premium and interest on the Securities in respect of which
              or for the benefit of which such money has been collected,
              ratably, without preference or priority of any kind, according to
              the amounts due and payable on such Securities for principal and
              any premium and interest, respectively; and

      THIRD:  The balance, if any, to the Partnership.

SECTION 507. Limitation on Suits.

      No Holder of any Security of any series shall have any right to institute
any proceeding, judicial or otherwise, with respect to this Indenture, or for
the appointment of a receiver or trustee, or for any other remedy hereunder,
unless

            (1) such Holder has previously given written notice to the Trustee
      of a continuing Event of Default with respect to the Securities of that
      series;

            (2) the Holders of not less than 25% in principal amount of the
      Outstanding Securities of that series shall have made written request to
      the Trustee to institute proceedings in respect of such Event of Default
      in its own name as Trustee hereunder;

            (3) such Holder or Holders have offered and, if requested, provided
      to the Trustee reasonable security or indemnity against the costs,
      expenses and liabilities to be incurred in compliance with such request;

            (4) the Trustee for 60 days after its receipt of such notice,
      request and offer and, if requested, provision of security or indemnity
      has failed to institute any such proceeding; and

            (5) no direction inconsistent with such written request has been
      given to the Trustee during such 60-day period by the Holders of a
      majority in principal amount of the Outstanding Securities of that series;

it being understood and intended that no one or more of such Holders shall have
any right in any manner whatever by virtue of, or by availing of, any provision
of this Indenture to affect, disturb or prejudice the rights of any other of
such Holders, or to obtain or to seek to obtain priority or preference over any
other of such Holders or to enforce any right under this Indenture, except in
the manner herein provided and for the equal and ratable benefit of all of such
Holders.

SECTION 508. Unconditional Right of Holders to Receive Principal, Premium and
Interest.

      Notwithstanding any other provision in this Indenture, the Holder of any
Security shall have the right, which is absolute and unconditional, to receive
payment of the principal of and any premium and (subject to Sections 305 and
307) interest on such Security on the respective Stated Maturities expressed in
such Security (or, in the case of redemption, on the Redemption Date) and to
institute suit for the enforcement of any such payment, and such rights shall
not be impaired without the consent of such Holder.


                                      -37-
<PAGE>
SECTION 509. Restoration of Rights and Remedies.

      If the Trustee or any Holder has instituted any proceeding to enforce any
right or remedy under this Indenture and such proceeding has been discontinued
or abandoned for any reason, or has been determined adversely to the Trustee or
to such Holder, then in every such case, subject to any determination in such
proceeding, the Partnership, the Trustee and the Holders shall be restored
severally and respectively to their former positions hereunder, and thereafter
all rights and remedies of the Trustee and the Holders shall continue as though
no such proceeding had been instituted.

SECTION 510. Rights and Remedies Cumulative.

      Except as otherwise provided with respect to the replacement or payment of
mutilated, destroyed, lost or stolen Securities in the last paragraph of Section
306, no right or remedy herein conferred upon or reserved to the Trustee or to
the Holders is intended to be exclusive of any other right or remedy, and every
right and remedy shall, to the extent permitted by law, be cumulative and in
addition to every other right and remedy given hereunder or now or hereafter
existing at law or in equity or otherwise. The assertion or employment of any
right or remedy hereunder, or otherwise, shall not prevent the concurrent
assertion or employment of any other appropriate right or remedy.

SECTION 511. Delay or Omission Not Waiver.

      No delay or omission of the Trustee or of any Holder of any Securities to
exercise any right or remedy accruing upon any Event of Default shall impair any
such right or remedy or constitute a waiver of any such Event of Default or an
acquiescence therein. Every right and remedy given by this Article or by law to
the Trustee or to the Holders may be exercised from time to time, and as often
as may be deemed expedient, by the Trustee or by the Holders, as the case may
be.

SECTION 512. Control by Holders.

      The Holders of a majority in aggregate principal amount of the Outstanding
Securities of any series shall have the right to direct the time, method and
place of conducting any proceeding for any remedy available to the Trustee, or
exercising any trust or power conferred on the Trustee, with respect to the
Securities of such series; provided, however, that

            (1) such direction shall not be in conflict with any rule of law or
      with this Indenture;

            (2) the Trustee may take any other action deemed proper by the
      Trustee which is not inconsistent with such direction; and

            (3) subject to the provisions of Section 601, the Trustee shall have
      the right to decline to follow any such direction if the Trustee in good
      faith shall determine that the proceeding so directed would involve the
      Trustee in personal liability or would otherwise be contrary to applicable
      law.


                                      -38-
<PAGE>
SECTION 513. Waiver of Past Defaults.

      The Holders of a majority in aggregate principal amount of the Outstanding
Securities of any series may on behalf of the Holders of all the Securities of
such series waive any past default hereunder with respect to such series and its
consequences, except:

            (1) a continuing default in the payment of the principal of or any
      premium or interest on any Security of such series, or

            (2) a default in respect of a covenant or provision hereof which
      under Article IX cannot be modified or amended without the consent of the
      Holder of each Outstanding Security of such series affected.

      Upon any such waiver, such default shall cease to exist, and any Event of
Default arising therefrom shall be deemed to have been cured, for every purpose
of this Indenture, but no such waiver shall extend to any subsequent or other
default or impair any right consequent thereon.

SECTION 514. Undertaking for Costs.

      In any suit for the enforcement of any right or remedy under this
Indenture, or in any suit against the Trustee for any action taken, suffered or
omitted by it as Trustee, a court may require any party litigant in such suit to
file an undertaking to pay the costs of such suit, and may assess costs against
any such party litigant, in the manner and to the extent provided in the Trust
Indenture Act; provided, however, that neither this Section nor the Trust
Indenture Act shall be deemed to authorize any court to require such an
undertaking or to make such an assessment in any suit instituted by the
Partnership.

SECTION 515. Waiver of Usury, Stay or Extension Laws.

      The Partnership covenants (to the extent that it may lawfully do so) that
it will not at any time insist upon, or plead, or in any manner whatsoever claim
or take the benefit or advantage of, any usury, stay or extension law wherever
enacted, now or at any time hereafter in force, which may affect the covenants
or the performance of this Indenture; and the Partnership (to the extent that it
may lawfully do so) hereby expressly waives all benefit or advantage of any such
law and covenants that it will not hinder, delay or impede the execution of any
power herein granted to the Trustee, but will suffer and permit the execution of
every such power as though no such law had been enacted.

                                   ARTICLE VI

                                   THE TRUSTEE

SECTION 601. Certain Duties and Responsibilities.

      The duties and responsibilities of the Trustee shall be as provided by the
Trust Indenture Act. No provision of this Indenture shall require the Trustee to
expend or risk its own funds or otherwise incur any financial liability in the
performance of any of its duties hereunder, or in the exercise of any of its
rights or powers, if it shall have reasonable grounds for believing that


                                      -39-
<PAGE>
repayment of such funds or security or indemnity satisfactory to it against such
risk or liability is not reasonably assured to it. Regardless of whether therein
expressly so provided, every provision of this Indenture relating to the conduct
or affecting the liability of or affording protection to the Trustee shall be
subject to the provisions of this Section.

SECTION 602. Notice of Defaults.

      If a Default occurs and is continuing with respect to the Securities of
any series, the Trustee shall, within 90 days after it occurs, transmit, in the
manner and to the extent provided in Section 313(c) of the Trust Indenture Act,
notice of all uncured or unwaived Defaults known to it; provided, however, that,
except in the case of a Default in payment on the Securities of any series, the
Trustee may withhold the notice if it determines in good faith that withholding
such notice is in the interests of Holders of Securities of such series;
provided, further, however, that, in the case of any default or breach of the
character specified in Section 501(3) with respect to the Securities of such
series, no such notice to Holders shall be given until at least 60 days after
the occurrence thereof.

SECTION 603. Certain Rights of Trustee.

      Subject to the provisions of Section 601:

            (1) the Trustee may rely on and shall be protected in acting or
      refraining from acting upon any resolution, certificate, statement,
      instrument, opinion, report, notice, request, direction, consent, order,
      bond, debenture, note, other evidence of indebtedness or other paper or
      document believed by it to be genuine and to have been signed or presented
      by the proper party or parties;

            (2) any request, direction, order or demand of the Partnership
      mentioned herein shall be sufficiently evidenced by a Partnership Request
      or Partnership Order (other than delivery of any Security to the Trustee
      for authentication and delivery pursuant to Section 303, which shall be
      sufficiently evidenced as provided therein) and any resolution of the
      Board of Directors shall be sufficiently evidenced by a Board Resolution;

            (3) whenever in the administration of this Indenture the Trustee
      shall deem it desirable that a matter be proved or established prior to
      taking, suffering or omitting any action hereunder, the Trustee (unless
      other evidence be herein specifically prescribed) may, in the absence of
      bad faith on its part, rely upon an Officers' Certificate;

            (4) the Trustee may consult with counsel and the written advice of
      such counsel or any Opinion of Counsel shall be full and complete
      authorization and protection in respect of any action taken, suffered or
      omitted by it hereunder in good faith and in reliance thereon;

            (5) the Trustee shall be under no obligation to exercise any of the
      rights or powers vested in it by this Indenture at the request or
      direction of any of the Holders pursuant to this Indenture, unless such
      Holders shall have offered to the Trustee security


                                      -40-
<PAGE>
      or indemnity satisfactory to it against the costs, expenses and
      liabilities which might be incurred by it in compliance with such request
      or direction;

            (6) the Trustee shall not be bound to make any investigation into
      the facts or matters stated in any resolution, certificate, statement,
      instrument, opinion, report, notice, request, direction, consent, order,
      bond, debenture, note, other evidence of indebtedness or other paper or
      document, but the Trustee, in its discretion, may, without obligation to
      do so, make such further inquiry or investigation into such facts or
      matters as it may see fit;

            (7) the Trustee may execute any of the trusts or powers hereunder or
      perform any duties hereunder either directly or by or through agents or
      attorneys and the Trustee shall not be responsible for any misconduct or
      negligence on the part of any agent or attorney appointed with due care by
      it hereunder; and

            (8) the Trustee may request that the Partnership deliver an
      Officers' Certificate setting forth the names of individuals and/or titles
      of officers authorized at such time to take specified actions pursuant to
      this Indenture, which Officers' Certificate may be signed by any person
      authorized to sign an Officers' Certificate, including any person
      specified as so authorized in any such certificate previously delivered
      and not superseded.

SECTION 604. Not Responsible for Recitals or Issuance of Securities.

      The recitals contained herein and in the Securities, except the Trustee's
certificates of authentication, shall be taken as the statements of the
Partnership, and the Trustee or any Authenticating Agent assumes no
responsibility for their correctness. Neither the Trustee nor any Authenticating
Agent makes any representations as to the validity or sufficiency of this
Indenture or of the Securities. The Trustee or any Authenticating Agent shall
not be accountable for the use or application by the Partnership of Securities
or the proceeds thereof.

SECTION 605. May Hold Securities.

      The Trustee, any Authenticating Agent, any Paying Agent, any Security
Registrar or any other agent of the Partnership, in its individual or any other
capacity, may become the owner or pledgee of Securities and, subject to Sections
608 and 613, may otherwise deal with the Partnership with the same rights it
would have if it were not Trustee, Authenticating Agent, Paying Agent, Security
Registrar or such other agent.

SECTION 606. Money Held in Trust.

      Money held by the Trustee in trust hereunder need not be segregated from
other funds except to the extent required by law. The Trustee shall be under no
liability for interest on any money received by it hereunder except as otherwise
agreed with the Partnership.


                                      -41-
<PAGE>
SECTION 607. Compensation and Reimbursement.

      The Partnership agrees:

            (1) to pay to the Trustee from time to time reasonable compensation
      for all services rendered by it hereunder (which compensation shall not be
      limited by any provision of law in regard to the compensation of a trustee
      of an express trust);

            (2) to reimburse the Trustee upon its request for all reasonable
      expenses, disbursements and advances incurred or made by the Trustee in
      accordance with any provision of this Indenture (including the reasonable
      compensation and the expenses and disbursements of its agents and
      counsel), except any such expense, disbursement or advance as may be
      attributable to its negligence or bad faith; and

            (3) to indemnify the Trustee for, and to hold it harmless against,
      any loss, liability or expense incurred without negligence or bad faith on
      its part, arising out of or in connection with the acceptance or
      administration of the trust or trusts hereunder, including the costs and
      expenses of defending itself against any claim or liability in connection
      with the exercise or performance of any of its powers or duties hereunder.

      The obligations of the Partnership under this Section to compensate the
Trustee and to pay or reimburse the Trustee for expenses, disbursements and
advances shall constitute additional indebtedness hereunder.

      Without limiting any rights available to the Trustee under applicable law,
when the Trustee incurs expenses or renders services in connection with an Event
of Default specified in Section 501(4) or Section 501(5), the expenses
(including the reasonable charges and expenses of its counsel) and the
compensation for such services are intended to constitute expenses of
administration under any applicable Bankruptcy Law.

      The provisions of this Section shall survive the satisfaction and
discharge of this Indenture and the defeasance of the Securities.

SECTION 608. Disqualification; Conflicting Interests.

      If the Trustee has or shall acquire a conflicting interest within the
meaning of the Trust Indenture Act, the Trustee shall either eliminate such
interest or resign, to the extent and in the manner provided by, and subject to
the provisions of, the Trust Indenture Act and this Indenture.

SECTION 609. Corporate Trustee Required; Eligibility.

      There shall at all times be one or more Trustees hereunder with respect to
the Securities of each series, at least one of which shall be a Person that is
eligible pursuant to the Trust Indenture Act to act as such and has a combined
capital and surplus required by the Trust Indenture Act. If such Person
publishes reports of condition at least annually, pursuant to law or to the
requirements of a supervising or examining authority, then for the purposes of
this Section, the combined capital and surplus of such Person shall be deemed to
be its combined capital and surplus as set forth in its most recent report of
condition so published. If at any time the Trustee


                                      -42-
<PAGE>
shall cease to be eligible in accordance with the provisions of this Section, it
shall resign immediately in the manner and with the effect hereinafter specified
in this Article.

SECTION 610. Resignation and Removal; Appointment of Successor.

      No resignation or removal of the Trustee and no appointment of a successor
Trustee pursuant to this Article shall become effective until the acceptance of
appointment by the successor Trustee in accordance with the applicable
requirements of Section 611.

      The Trustee may resign at any time with respect to the Securities of one
or more series by giving written notice thereof to the Partnership. If the
instrument of acceptance by a successor Trustee required by Section 611 shall
not have been delivered to the Trustee within 30 days after the giving of such
notice of resignation, the resigning Trustee may petition any court of competent
jurisdiction for the appointment of a successor Trustee with respect to the
Securities of such series.

      The Trustee may be removed at any time with respect to the Securities of
any series by Act of the Holders of a majority in principal amount of the
Outstanding Securities of such series, delivered to the Trustee and to the
Partnership.

      If at any time:

            (1) the Trustee shall fail to comply with Section 608 after written
      request therefor by the Partnership or by any Holder who has been a bona
      fide Holder of a Security for at least six months, or

            (2) the Trustee shall cease to be eligible under Section 609 and
      shall fail to resign after written request therefor by the Partnership or
      by any such Holder, or

            (3) the Trustee shall become incapable of acting or shall be
      adjudged a bankrupt or insolvent or a receiver of the Trustee or of its
      property shall be appointed or any public officer shall take charge or
      control of the Trustee or of its property or affairs for the purpose of
      rehabilitation, conservation or liquidation, then, in any such case, (A)
      the Partnership, acting pursuant to the authority of a Board Resolution,
      may remove the Trustee with respect to all Securities, or (B) subject to
      Section 514, any Holder who has been a bona fide Holder of a Security for
      at least six months may, on behalf of himself and all others similarly
      situated, petition any court of competent jurisdiction for the removal of
      the Trustee with respect to all Securities and the appointment of a
      successor Trustee or Trustees.

      If the Trustee shall resign, be removed or become incapable of acting, or
if a vacancy shall occur in the office of Trustee for any cause, with respect to
the Securities of one or more series, the Partnership, by a Board Resolution,
shall promptly appoint a successor Trustee or Trustees with respect to the
Securities of that or those series (it being understood that any such successor
Trustee may be appointed with respect to the Securities of one or more or all of
such series and that at any time there shall be only one Trustee with respect to
the Securities of any particular series) and shall comply with the applicable
requirements of Section 611. If, within one year after such resignation, removal
or incapability, or the occurrence of such vacancy, a


                                      -43-
<PAGE>
successor Trustee with respect to the Securities of any series shall be
appointed by Act of the Holders of a majority in principal amount of the
Outstanding Securities of such series delivered to the Partnership and the
retiring Trustee, the successor Trustee so appointed shall, forthwith upon its
acceptance of such appointment in accordance with the applicable requirements of
Section 611, become the successor Trustee with respect to the Securities of such
series and to that extent supersede the successor Trustee appointed by the
Partnership. If no successor Trustee with respect to the Securities of any
series shall have been so appointed by the Partnership or the Holders and
accepted appointment in the manner required by Section 611, any Holder who has
been a bona fide Holder of a Security of such series for at least six months
may, on behalf of himself and all others similarly situated, petition any court
of competent jurisdiction for the appointment of a successor Trustee with
respect to the Securities of such series.

      The Partnership shall give notice of each resignation and each removal of
the Trustee with respect to the Securities of any series and each appointment of
a successor Trustee with respect to the Securities of any series to all Holders
of Securities of such series in the manner provided in Section 106. Each notice
shall include the name of the successor Trustee with respect to the Securities
of such series and the address of its Corporate Trust Office.

SECTION 611. Acceptance of Appointment by Successor.

            (1) In case of the appointment hereunder of a successor Trustee with
      respect to all Securities, every such successor Trustee so appointed shall
      execute, acknowledge and deliver to the Partnership and to the retiring
      Trustee an instrument accepting such appointment, and thereupon the
      resignation or removal of the retiring Trustee shall become effective and
      such successor Trustee, without any further act, deed or conveyance, shall
      become vested with all the rights, powers, trusts and duties of the
      retiring Trustee; but, on the request of the Partnership or the successor
      Trustee, such retiring Trustee shall, upon payment of its charges, execute
      and deliver an instrument transferring to such successor Trustee all the
      rights, powers and trusts of the retiring Trustee and shall duly assign,
      transfer and deliver to such successor Trustee all property and money held
      by such retiring Trustee hereunder.

            (2) In case of the appointment hereunder of a successor Trustee with
      respect to the Securities of one or more (but not all) series, the
      Partnership, the retiring Trustee and each successor Trustee with respect
      to the Securities of one or more series shall execute and deliver an
      indenture supplemental hereto wherein each successor Trustee shall accept
      such appointment and which (A) shall contain such provisions as shall be
      necessary or desirable to transfer and confirm to, and to vest in, each
      successor Trustee all the rights, powers, trusts and duties of the
      retiring Trustee with respect to the Securities of that or those series to
      which the appointment of such successor Trustee relates, (B) if the
      retiring Trustee is not retiring with respect to all Securities, shall
      contain such provisions as shall be deemed necessary or desirable to
      confirm that all the rights, powers, trusts and duties of the retiring
      Trustee with respect to the Securities of that or those series as to which
      the retiring Trustee is not retiring shall continue to be vested in the
      retiring Trustee, and (C) shall add to or change any of the provisions of
      this Indenture as shall be necessary to provide for or facilitate the
      administration of the trusts hereunder by more than one Trustee, it being
      understood that nothing herein or in such


                                      -44-
<PAGE>
      supplemental indenture shall constitute such Trustees as co-trustees of
      the same trust and that each such Trustee shall be trustee of a trust or
      trusts hereunder separate and apart from any trust or trusts hereunder
      administered by any other such Trustee; and upon the execution and
      delivery of such supplemental indenture the resignation or removal of the
      retiring Trustee shall become effective to the extent provided therein and
      each such successor Trustee, without any further act, deed or conveyance,
      shall become vested with all the rights, powers, trusts and duties of the
      retiring Trustee with respect to the Securities of that or those series to
      which the appointment of such successor Trustee relates, but, on request
      of the Partnership or any successor Trustee, such retiring Trustee shall,
      upon payment of its charges, duly assign, transfer and deliver to such
      successor Trustee all property and money held by such retiring Trustee
      hereunder with respect to the Securities of that or those series to which
      the appointment of such successor Trustee relates.

            (3) Upon request of any such successor Trustee, the Partnership
      shall execute any and all instruments for more fully and certainly vesting
      in and confirming to such successor Trustee all such rights, powers and
      trusts referred to in paragraph (1) or (2) of this Section, as the case
      may be.

            (4) No successor Trustee shall accept its appointment unless at the
      time of such acceptance such successor Trustee shall be qualified and
      eligible under this Article.

SECTION 612. Merger, Conversion, Consolidation or Succession to Business.

      Any corporation into which the Trustee may be merged or converted or with
which it may be consolidated, or any corporation resulting from any merger,
conversion or consolidation to which the Trustee shall be a party, or any
corporation succeeding to all or substantially all the corporate trust business
of the Trustee, shall be the successor of the Trustee hereunder, provided such
corporation shall be otherwise qualified and eligible under this Article,
without the execution or filing of any paper or any further act on the part of
any of the parties hereto. In case any Securities shall have been authenticated,
but not delivered, by the Trustee then in office, any successor by merger,
conversion or consolidation to such authenticating Trustee may adopt such
authentication and deliver the Securities so authenticated with the same effect
as if such successor Trustee had itself authenticated such Securities.

SECTION 613. Preferential Collection of Claims Against Partnership.

      If and when the Trustee shall be or become a creditor of the Partnership
or any other obligor upon the Securities, the Trustee shall be subject to the
provisions of the Trust Indenture Act regarding the collection of claims against
the Partnership or any such other obligor.

SECTION 614. Appointment of Authenticating Agent.

      The Trustee (upon notice to the Partnership) may appoint an Authenticating
Agent or Agents with respect to one or more series of Securities which shall be
authorized to act on behalf of the Trustee to authenticate Securities of such
series issued upon original issue (in accordance with procedures acceptable to
the Trustee) and upon exchange, registration of transfer or partial redemption
thereof or pursuant to Section 306, and Securities so authenticated shall be
entitled to


                                      -45-
<PAGE>
the benefits of this Indenture and shall be valid and obligatory for all
purposes as if authenticated by the Trustee hereunder. Wherever reference is
made in this Indenture to the authentication and delivery of Securities by the
Trustee or the Trustee's certificate of authentication, such reference shall be
deemed to include authentication and delivery on behalf of the Trustee by an
Authenticating Agent and a certificate of authentication executed on behalf of
the Trustee by an Authenticating Agent. Each Authenticating Agent shall be
acceptable to the Partnership and shall at all times be a corporation organized
and doing business under the laws of the United States of America, any State
thereof or the District of Columbia, authorized under such laws to act as
Authenticating Agent, having a combined capital and surplus of not less than
$50,000,000 and subject to supervision or examination by Federal or State
authority. If such Authenticating Agent publishes reports of condition at least
annually, pursuant to law or to the requirements of said supervising or
examining authority, then for the purposes of this Section, the combined capital
and surplus of such Authenticating Agent shall be deemed to be its combined
capital and surplus as set forth in its most recent report of condition so
published. If at any time an Authenticating Agent shall cease to be eligible in
accordance with the provisions of this Section, such Authenticating Agent shall
resign immediately in the manner and with the effect specified in this Section.

      Any corporation into which an Authenticating Agent may be merged or
converted or with which it may be consolidated, or any corporation resulting
from any merger, conversion or consolidation to which such Authenticating Agent
shall be a party, or any corporation succeeding to all or substantially all of
the corporate agency or corporate trust business of such Authenticating Agent,
shall continue to be an Authenticating Agent, provided such corporation shall be
otherwise eligible under this Section, without the execution or filing of any
paper or any further act on the part of the Trustee or such Authenticating
Agent.

      An Authenticating Agent may resign at any time by giving written notice
thereof to the Trustee and to the Partnership. The Trustee may at any time
terminate the agency of an Authenticating Agent by giving written notice thereof
to such Authenticating Agent and to the Partnership. Upon receiving such a
notice of resignation or upon such a termination, or in case at any time such
Authenticating Agent shall cease to be eligible in accordance with the
provisions of this Section, the Trustee may appoint a successor Authenticating
Agent which shall be acceptable to the Partnership. Any successor Authenticating
Agent upon acceptance of its appointment hereunder shall become vested with all
the rights, powers and duties of its predecessor hereunder, with like effect as
if originally named as an Authenticating Agent. No successor Authenticating
Agent shall be appointed unless eligible under the provisions of this Section.

      Except with respect to an Authenticating Agent appointed at the request of
the Partnership, the Trustee agrees to pay to each Authenticating Agent from
time to time reasonable compensation for its services under this Section.

      If an appointment with respect to one or more series is made pursuant to
this Section, the Securities of such series may have endorsed thereon, in
addition to the Trustee's certificate of authentication, an alternative
certificate of authentication in the following form:


                                      -46-
<PAGE>
      This is one of the Securities of the series designated therein referred to
in the within-mentioned Indenture.


                                        ________________________________________
                                                       As Trustee


                                        By: ____________________________________
                                                  As Authenticating Agent


                                        By: ____________________________________
                                                    Authorized Officer

                                  ARTICLE VII

              HOLDERS' LISTS AND REPORTS BY TRUSTEE AND PARTNERSHIP

SECTION 701. Partnership to Furnish Trustee Names and Addresses of Holders.

      The Partnership will furnish or cause to be furnished to the Trustee

            (1) semi-annually, not later than May 15 and November 15 in each
      year, a list for each series of Securities, in such form as the Trustee
      may reasonably require, of the names and addresses of the Holders of
      Securities of such series as of the preceding April 30 or October 31, as
      the case may be, and

            (2) at such other times as the Trustee may request in writing,
      within 30 days after the receipt by the Partnership of any such request, a
      list of similar form and content as of a date not more than 15 days prior
      to the time such list is furnished;

provided, however, that if and so long as the Trustee shall be the Security
Registrar for Securities of a series, no such list need be furnished with
respect to such series of Securities.

SECTION 702. Preservation of Information; Communications to Holders.

      The Trustee shall comply with the obligations imposed upon it pursuant to
Section 312 of the Trust Indenture Act.

      The rights of the Holders to communicate with other Holders with respect
to their rights under this Indenture or under the Securities, and the
corresponding rights and privileges of the Trustee, shall be as provided by the
Trust Indenture Act.

      Every Holder of Securities, by receiving and holding the same, agrees with
the Partnership and the Trustee that neither the Partnership nor the Trustee nor
any agent of either of them shall be held accountable by reason of any
disclosure of information as to the names and addresses of Holders made pursuant
to the Trust Indenture Act.


                                      -47-
<PAGE>
SECTION 703. Reports by Trustee.

      The Trustee shall transmit to Holders such reports concerning the Trustee
and its actions under this Indenture as may be required pursuant to the Trust
Indenture Act at the times and in the manner provided pursuant thereto.

      Reports so required to be transmitted at stated intervals of not more than
12 months shall be transmitted no later than July 15 in each calendar year with
respect to the 12-month period ending on the previous May 15, commencing May 15,
2002.

      A copy of each such report shall, at the time of such transmission to
Holders, be filed by the Trustee with each stock exchange upon which any
Securities are listed, with the Commission and with the Partnership. The
Partnership will notify the Trustee when any Securities are listed on any stock
exchange.

SECTION 704. Reports by Partnership.

      The Partnership shall:

            (1) file with the Trustee, within 15 days after the Partnership is
      required to file the same with the Commission, copies of the annual
      reports and of the information, documents and other reports (or copies of
      such portions of any of the foregoing as the Commission may from time to
      time by rules and regulations prescribe) which the Partnership may be
      required to file with the Commission pursuant to Section 13 or Section
      15(d) of the Exchange Act; or, if the Partnership is not required to file
      information, documents or reports pursuant to either of said Sections,
      then it shall file with the Trustee and the Commission (unless the
      Commission will not accept such a filing), in accordance with rules and
      regulations prescribed from time to time by the Commission, such of the
      supplementary and periodic information, documents and reports which may be
      required pursuant to Section 13 of the Exchange Act in respect of a
      security listed and registered on a national securities exchange as may be
      prescribed from time to time in such rules and regulations;

            (2) file with the Trustee and the Commission, in accordance with
      rules and regulations prescribed from time to time by the Commission, such
      additional information, documents and reports with respect to compliance
      by the Partnership with the conditions and covenants of this Indenture as
      may be required from time to time by such rules and regulations; and

            (3) transmit by mail to all Holders, as their names and addresses
      appear in the Security Register, within 30 days after the filing thereof
      with the Trustee, such summaries of any information, documents and reports
      required to be filed by the Partnership pursuant to paragraphs (1) and (2)
      of this Section as may be required by rules and regulations prescribed
      from time to time by the Commission.


                                      -48-
<PAGE>
                                  ARTICLE VIII

              CONSOLIDATION, MERGER, CONVEYANCE, TRANSFER OR LEASE

SECTION 801. Partnership May Consolidate, Etc., Only on Certain Terms.

      The Partnership shall not consolidate with or merge into any other Person
or sell, lease or transfer its properties and assets as, or substantially as, an
entirety to, any Person, unless:

            (1) (A) in the case of a merger, the Partnership is the surviving
      entity, or (B) the Person formed by such consolidation or into which the
      Partnership is merged or the Person which acquires by sale or transfer, or
      which leases, the properties and assets of the Partnership as, or
      substantially as, an entirety must expressly assume, by an indenture
      supplemental hereto, executed and delivered to the Trustee, in form
      reasonably satisfactory to the Trustee, all of the obligations of the
      Partnership under this Indenture and the Securities;

            (2) the surviving entity or successor Person is a Person organized
      and existing under the laws of the United States of America, any State
      thereof or the District of Columbia;

            (3) immediately after giving effect to such transaction, no Default
      or Event of Default exists; and

            (4) the Partnership has delivered to the Trustee an Officers'
      Certificate and an Opinion of Counsel, each stating that such
      consolidation, merger, sale, transfer or lease and the supplemental
      indenture required in connection with such transaction comply with this
      Article and that all conditions precedent herein provided for relating to
      such transaction have been complied with.

SECTION 802. Successor Substituted.

      Upon any consolidation of the Partnership with, or merger of the
Partnership into, any other Person or any sale, transfer or lease of the
properties and assets of the Partnership as, or substantially as, an entirety in
accordance with Section 801, the successor Person formed by such consolidation
or into which the Partnership is merged or to which such sale, transfer or lease
is made shall succeed to, and be substituted for, and may exercise every right
and power of, the Partnership under this Indenture with the same effect as if
such successor Person had been named originally as the Partnership herein, and
thereafter, except in the case of a lease, the predecessor Person shall be
relieved of all obligations and covenants under this Indenture and the
Securities.


                                      -49-
<PAGE>
                                   ARTICLE IX

                             SUPPLEMENTAL INDENTURES

SECTION 901. Supplemental Indentures Without Consent of Holders.

      Without the consent of any Holders of Securities, the Partnership and the
Trustee, at any time and from time to time, may enter into one or more
indentures supplemental hereto, in form satisfactory to the Trustee, for any of
the following purposes:

            (1) to secure any of such Securities;

            (2) to evidence the succession of another Person to the Partnership
      under this Indenture and the Securities and the assumption by such
      successor Person of the obligations of the Partnership hereunder;

            (3) to add covenants and Events of Default for the benefit of the
      Holders of all or any series of such Securities or to surrender any right
      or power conferred by this Indenture upon the Partnership;

            (4) to add to, change or eliminate any of the provisions of this
      Indenture, provided that any such addition, change or elimination does not
      adversely affect any outstanding Securities of any series in any material
      respect;

            (5) to establish the forms or terms of the Securities of any series
      issued hereunder;

            (6) to cure any ambiguity or correct any omission, defect or
      inconsistency in this Indenture;

            (7) to evidence the acceptance of appointment by a successor
      Trustee;

            (8) to qualify this Indenture under the Trust Indenture Act;

            (9) to provide for uncertificated securities in addition to
      certificated securities;

            (10) to supplement any provisions of this Indenture necessary to
      permit or facilitate the defeasance and discharge of any series of
      Securities, provided that such action does not adversely affect the
      interests of the Holders of Securities of such series or any other series;
      and

            (11) to comply with the rules or regulations of any securities
      exchange or automated quotation system on which any of the Securities may
      be listed or traded.

SECTION 902. Supplemental Indentures with Consent of Holders.

      With the consent of the Holders of not less than a majority in aggregate
principal amount of all Outstanding Securities affected by such supplemental
indenture (voting as one class), the


                                      -50-
<PAGE>
Partnership and the Trustee may enter into an indenture or indentures
supplemental hereto for the purpose of adding any provisions to, or changing in
any manner or eliminating any of the provisions of, this Indenture, or modifying
in any manner the rights of the Holders of Securities of such series under this
Indenture; provided that the Partnership and the Trustee may not, without the
consent of the Holder of each Outstanding Security affected thereby,

            (1) change the Stated Maturity of the principal of, or any
      installment of principal of or interest, if any, on, any Security, or
      reduce the principal amount thereof or premium, if any, on or the rate of
      interest thereon or alter the method of computation of interest;

            (2) change the Redemption Date for any debt security;

            (3) change our obligation, if any, to pay additional amounts;

            (4) reduce the principal amount of any Original Issue Discount
      Security payable upon acceleration of Maturity;

            (5) change the coin or currency in which any Security or any premium
      or interest on any Security is payable;

            (6) change the redemption right of any Holder;

            (7) impair the right to institute suit for the enforcement of any
      payment of principal of, premium, if any, or interest on, any Security;

            (8) reduce the percentage in principal amount of Securities required
      for any such supplemental indenture or for any waiver provided for in this
      Indenture;

            (9) reduce quorum or voting requirements;

            (10) change the Partnership's obligation to maintain an office or
      agency for payment of Securities and the other matters specified herein;
      or

            (11) modify any of the provisions of this Indenture relating to the
      execution of supplemental indentures with the consent of Holders of
      Securities which are discussed in this Section or modify any provisions
      relating to the waiver by Holders of Securities of past defaults and
      covenants, except to increase any required percentage or to provide that
      other provisions of this Indenture cannot be modified or waived without
      the consent of the Holder of each Outstanding Security affected thereby.

      A supplemental indenture which changes or eliminates any covenant or other
provision of this Indenture which has expressly been included solely for the
benefit of one or more particular series of Securities, or which modifies the
rights of the Holders of Securities of such series with respect to such covenant
or other provision, shall be deemed not to affect the rights under this
Indenture of the Holders of Securities of any other series.


                                      -51-
<PAGE>
      It shall not be necessary for any Act of Holders under this Section to
approve the particular form of any proposed supplemental indenture, but it shall
be sufficient if such Act shall approve the substance thereof.

SECTION 903. Execution of Supplemental Indentures.

      In executing, or accepting the additional trusts created by, any
supplemental indenture permitted by this Article or the modifications thereby of
the trusts created by this Indenture, the Trustee shall be entitled to receive,
and (subject to Section 601) shall be fully protected in relying upon, an
Officers' Certificate and an Opinion of Counsel stating that the execution of
such supplemental indenture is authorized or permitted by this Indenture. The
Trustee may, but shall not be obligated to, enter into any such supplemental
indenture which affects the Trustee's own rights, duties or immunities under
this Indenture or otherwise.

SECTION 904. Effect of Supplemental Indentures.

      Upon the execution of any supplemental indenture under this Article, this
Indenture shall be modified in accordance therewith, and such supplemental
indenture shall form a part of this Indenture for all purposes; and every Holder
of Securities theretofore or thereafter authenticated and delivered hereunder
shall be bound thereby.

SECTION 905. Conformity with Trust Indenture Act.

      Every supplemental indenture executed pursuant to this Article shall
conform to the requirements of the Trust Indenture Act as then in effect.

SECTION 906. Reference in Securities to Supplemental Indentures.

      Securities of any series authenticated and delivered after the execution
of any supplemental indenture pursuant to this Article may, and shall if
required by the Trustee, bear a notation in form approved by the Trustee as to
any matter provided for in such supplemental indenture. If the Partnership shall
so determine, new Securities of any series so modified as to conform, in the
opinion of the Trustee and the Partnership, to any such supplemental indenture
may be prepared and executed by the Partnership and authenticated and delivered
by the Trustee in exchange for Outstanding Securities of such series.

                                    ARTICLE X

                                    COVENANTS

SECTION 1001. Payment of Principal, Premium and Interest.

      The Partnership covenants and agrees for the benefit of each series of
Securities that it will duly and punctually pay the principal of and any premium
and interest on the Securities of that series in accordance with the terms of
the Securities and this Indenture.


                                      -52-
<PAGE>
SECTION 1002. Maintenance of Office or Agency.

      The Partnership will maintain in each Place of Payment for any series of
Securities an office or agency where Securities of that series may be presented
or surrendered for payment, where Securities of that series may be surrendered
for registration of transfer or exchange and where notices and demands to or
upon the Partnership in respect of the Securities of that series and this
Indenture may be served. The Partnership will give prompt written notice to the
Trustee of the location, and any change in the location, of such office or
agency. If at any time the Partnership shall fail to maintain any such required
office or agency or shall fail to furnish the Trustee with the address thereof,
such presentations, surrenders, notices and demands may be made or served at the
Corporate Trust Office of the Trustee, and the Partnership hereby appoints the
Trustee as its agent to receive all such presentations, surrenders, notices and
demands.

      The Partnership may also from time to time designate one or more other
offices or agencies where the Securities of one or more series may be presented
or surrendered for any or all such purposes and may from time to time rescind
such designations; provided, however, that no such designation or rescission
shall in any manner relieve the Partnership of its obligation to maintain an
office or agency in each Place of Payment for Securities of any series for such
purposes. The Partnership will give prompt written notice to the Trustee of any
such designation or rescission and of any change in the location of any such
other office or agency.

      Except as otherwise specified with respect to a series of Securities as
contemplated by Section 301, the Partnership hereby initially designates as the
Place of Payment for each series of Securities The City and State of New York,
and initially appoints the Trustee at its Corporate Trust Office as the
Partnership's office or agency for each such purpose in such city.

SECTION 1003. Money for Securities Payments to Be Held in Trust.

      If the Partnership or any of its Subsidiaries shall at any time act as
Paying Agent with respect to any series of Securities, it will, on or before
each due date of the principal of or any premium or interest on any of the
Securities of that series, segregate and hold in trust for the benefit of the
Persons entitled thereto a sum sufficient to pay the principal and any premium
and interest so becoming due until such sums shall be paid to such Persons or
otherwise disposed of as herein provided and will promptly notify the Trustee of
its action or failure so to act.

      Whenever the Partnership shall have one or more Paying Agents for any
series of Securities, it will, on or prior to each due date of the principal of
or any premium or interest on any Securities of that series, deposit with a
Paying Agent a sum sufficient to pay such amount, such sum to be held as
provided by the Trust Indenture Act, and (unless such Paying Agent is the
Trustee) the Partnership will promptly notify the Trustee of its action or
failure so to act.

      The Partnership will cause each Paying Agent for any series of Securities
other than the Trustee to execute and deliver to the Trustee an instrument in
which such Paying Agent shall agree with the Trustee, subject to the provisions
of this Section, that such Paying Agent will (1) hold all sums held by it for
the payment of the principal of (and premium, if any) or interest, if any, on
Securities of that series in trust for the benefit of the Persons entitled
thereto until such sums shall be paid to such Persons or otherwise disposed of
as herein provided; (2) give the


                                      -53-
<PAGE>
Trustee notice of any default by the Partnership (or any other obligor upon the
Securities of that series) in the making of any payment of principal (and
premium, if any) or interest, if any, on the Securities of that series; and (3)
during the continuance of any such default, upon the written request of the
Trustee, forthwith pay to the Trustee all sums held in trust by such Paying
Agent for payment in respect of the Securities of that series.

      The Partnership may at any time, for the purpose of obtaining the
satisfaction and discharge of this Indenture or for any other purpose, pay, or
by Partnership Order direct any Paying Agent to pay, to the Trustee all sums
held in trust by the Partnership or such Paying Agent, such sums to be held by
the Trustee upon the same trusts as those upon which such sums were held by the
Partnership or such Paying Agent; and, upon such payment by any Paying Agent to
the Trustee, such Paying Agent shall be released from all further liability with
respect to such money.

      Any money deposited with the Trustee or any Paying Agent, or then held by
the Partnership, in trust for the payment of the principal of or any premium or
interest on any Security of any series and remaining unclaimed for two years
after such principal, premium or interest has become due and payable shall be
paid to the Partnership on Partnership Request, or (if then held by the
Partnership) shall be discharged from such trust; and the Holder of such
Security shall thereafter, as an unsecured general creditor, look only to the
Partnership for payment thereof, and all liability of the Trustee or such Paying
Agent with respect to such trust money, and all liability of the Partnership as
trustee thereof, shall thereupon cease; provided, however, that the Trustee or
such Paying Agent, before being required to make any such repayment, may at the
expense of the Partnership cause to be published once, in an Authorized
Newspaper in each Place of Payment with respect to such series, notice that such
money remains unclaimed and that, after a date specified therein, which shall
not be less than 30 days from the date of such publication, any unclaimed
balance of such money then remaining will be repaid to the Partnership.

SECTION 1004. Statement by Officers as to Default.

      The Partnership will deliver to the Trustee, within 150 days after the end
of each fiscal year of the Partnership ending after the date hereof, an
Officers' Certificate, stating to the best knowledge of the signer thereof
whether the Partnership is in default in the performance and observance of any
of the terms, provisions and conditions of this Indenture (without regard to any
period of grace or requirement of notice provided hereunder) and, if the
Partnership shall be in default, specifying all such defaults and the nature and
status thereof of which they may have knowledge.

SECTION 1005. Existence.

      Subject to Article VIII, the Partnership will do or cause to be done all
things necessary to preserve and keep in full force and effect its existence,
rights (charter and statutory) and franchises; provided, however, that the
Partnership shall not be required to preserve any such right or franchise if it
shall determine that the preservation thereof is no longer desirable in the
conduct of the business of the Partnership.


                                      -54-
<PAGE>
SECTION 1006. Limitations on Liens.

      The Partnership will not, nor will it permit any of its Subsidiaries to,
create, assume, incur or suffer to exist any Lien upon any property or assets,
whether owned or leased on the date of this Indenture or thereafter acquired, to
secure any Debt of the Partnership or any other Person (other than the
Securities issued hereunder), without in any such case making effective
provision whereby all of the Securities Outstanding hereunder shall be secured
equally and ratably with, or prior to, such Debt so long as such Debt shall be
so secured. This restriction shall not apply to:

            (1) Permitted Liens;

            (2) any Lien upon any property or assets of the Partnership or any
      of its Subsidiaries in existence on the Issue Date or provided for
      pursuant to agreements existing on the Issue Date;

            (3) any Lien upon any property or assets created at the time of
      acquisition of such property or assets by the Partnership or any of its
      Subsidiaries or within one year after such time to secure all or a portion
      of the purchase price for such property or assets or Debt incurred to
      finance such purchase price, whether such Debt was incurred prior to, at
      the time of or within one year after the date of such acquisition;

            (4) any Lien upon any property or assets existing thereon at the
      time of the acquisition thereof by the Partnership or any of its
      Subsidiaries (regardless of whether the obligations secured thereby are
      assumed by the Partnership or any of its Subsidiaries); provided, however,
      that such Lien only encumbers the property or assets so acquired;

            (5) any Lien upon any property or assets of a Person existing
      thereon at the time such Person becomes a Subsidiary of the Partnership by
      acquisition, merger or otherwise; provided, however, that such Lien only
      encumbers the property or assets of such Person at the time such Person
      becomes a Subsidiary of the Partnership;

            (6) any Lien upon any property or assets to secure all or part of
      the cost of construction, development, repair or improvements thereon or
      to secure Debt incurred prior to, at the time of, or within one year after
      completion of such construction, development, repair or improvements or
      the commencement of full operations thereof (whichever is later), to
      provide funds for any such purpose;

            (7) Liens imposed by law or order as a result of any proceeding
      before any court or regulatory body that is being contested in good faith,
      and Liens which secure a judgment or other court-ordered award or
      settlement as to which the Partnership or the applicable Subsidiary, as
      the case may be, has not exhausted its appellate rights;

            (8) any lien upon any additions, improvements, replacements,
      repairs, fixtures, appurtenances or component parts thereof attaching to
      or required to be attached to property or assets pursuant to the terms of
      any mortgage, pledge agreement, security agreement or other similar
      instrument, creating a lien upon such property or assets permitted by
      clauses (1) through (7) above;


                                      -55-
<PAGE>
            (9) any extension, renewal, refinancings, refundings or replacement
      (or successive extensions, renewals, refinancing, refunding or
      replacements) of Liens, in whole or in part, referred to in clauses (1)
      through (8), inclusive, of this Section; provided, however, that any such
      extension, renewal, refinancing, refunding or replacement Lien shall be
      limited to the property or assets covered by the Lien extended, renewed,
      refinanced, refunded or replaced and that the obligations secured by any
      such extension, renewal, refinancing, refunding or replacement Lien shall
      be in an amount not greater than the amount of the obligations secured by
      the Lien extended, renewed, refinanced, refunded or replaced and any
      expenses of the Partnership and its Subsidiaries (including any premium)
      incurred in connection with such extension, renewal, refinancing,
      refunding or replacement; or

            (10) any Lien resulting from the deposit of moneys or evidence of
      indebtedness in trust for the purpose of defeasing Debt of the Partnership
      or any Subsidiary.

      Notwithstanding the foregoing provisions of this Section, the Partnership
may, and may permit any of its Subsidiaries to, create, assume, incur or suffer
to exist any Lien upon any property or assets to secure Debt of the Partnership
or any Person (other than the Securities) that is not excepted by clauses (1)
through (10), inclusive, of this Section without securing the Securities issued
hereunder, provided that the aggregate principal amount of all Debt then
outstanding secured by such Lien and all similar Liens, together with all net
sale proceeds from Sale-Leaseback Transactions (excluding Sale-Leaseback
Transactions permitted by clauses (1) through (4), inclusive, of Section 1007),
does not exceed 10% of Consolidated Net Tangible Assets.

SECTION 1007. Restriction of Sale-Leaseback Transaction.

      The Partnership will not, and will not permit any of its Subsidiaries to,
engage in a Sale-Leaseback Transaction, unless:

            (1) such Sale-Leaseback Transaction occurs within one year from the
      date of completion of the acquisition of the property or assets subject
      thereto or the date of the completion of construction, development or
      substantial repair or improvement, or commencement of full operations on
      such property or assets, whichever is later;

            (2) the Sale-Leaseback Transaction involves a lease for a period,
      including renewals, of not more than the lesser of (a) three years and (b)
      60% of the useful remaining life of such property;

            (3) the Partnership or such Subsidiary would be entitled to incur
      Debt secured by a Lien on the property or assets subject thereto in a
      principal amount equal to or exceeding the Attributable Indebtedness from
      such Sale-Leaseback Transaction without equally and ratably securing the
      Securities; or

            (4) the Partnership or such Subsidiary, within a one-year period
      after such Sale-Leaseback Transaction, applies or causes to be applied an
      amount not less than Attributable Indebtedness from such Sale-Leaseback
      Transaction to (A) the prepayment, repayment, redemption, reduction or
      retirement of Pari Passu Debt of the Partnership, or


                                      -56-
<PAGE>
      (B) the expenditure or expenditures for property or assets used or to be
      used in the ordinary course of business of the Partnership or its
      Subsidiaries.

      Notwithstanding the foregoing provisions of this Section, the Partnership
may, and may permit any of its Subsidiaries to, effect any Sale-Leaseback
Transaction that is not excepted by clauses (1) through (4), inclusive, of this
Section 1007; provided that Attributable Indebtedness from such Sale-Leaseback
Transaction, together with the aggregate principal amount of then outstanding
Debt (other than the Securities) secured by Liens upon Principal Properties not
excepted by clauses (1) through (10), inclusive, of Section 1006, do not exceed
10% of the Consolidated Net Tangible Assets.

SECTION 1008. Waiver of Certain Covenants.

      The Partnership may omit in any particular instance to comply with any
term, provision or condition set forth in Section 1005, 1006 or 1007 with
respect to the Securities of any series if before the time for such compliance
the Holders of at least a majority in aggregate principal amount of the
Outstanding Securities of all affected series (voting as one class) shall, by
Act of such Holders, either waive such compliance in such instance or generally
waive compliance with such term, provision or condition, but no such waiver
shall extend to or affect such term, provision or condition except to the extent
so expressly waived, and, until such waiver shall become effective, the
obligations of the Partnership and the duties of the Trustee in respect of any
such term, provision or condition shall remain in full force and effect.

      A waiver which changes or eliminates any term, provision or condition of
this Indenture which has expressly been included solely for the benefit of one
or more particular series of Securities, or which modifies the rights of the
Holders of Securities of such series with respect to such term, provision or
condition, shall be deemed not to affect the rights under this Indenture of the
Holders of Securities of any other series.

                                   ARTICLE XI

                            REDEMPTION OF SECURITIES

SECTION 1101. Applicability of Article.

      Securities of any series which are redeemable before their Stated Maturity
shall be redeemable in accordance with their terms and (except as otherwise
specified as contemplated by Section 301 for Securities of any series) in
accordance with this Article.

SECTION 1102. Election to Redeem; Notice to Trustee.

      The election of the Partnership to redeem any Securities shall be
evidenced by a Board Resolution. In case of any redemption at the election of
the Partnership of less than all the Securities of any series, the Partnership
shall, not less than 30 nor more than 60 days prior to the Redemption Date fixed
by the Partnership (unless a shorter notice shall be satisfactory to the
Trustee), notify the Trustee of such Redemption Date, of the principal amount of
Securities of such series to be redeemed and, if applicable, of the tenor of the
Securities to be redeemed. In the case of any redemption of Securities (1) prior
to the expiration of any restriction on such


                                      -57-
<PAGE>
redemption provided in the terms of such Securities or elsewhere in this
Indenture, or (2) pursuant to an election of the Partnership which is subject to
a condition specified in the terms of such Securities, the Partnership shall
furnish the Trustee with an Officers' Certificate evidencing compliance with
such restriction or condition.

SECTION 1103. Selection by Trustee of Securities to be Redeemed.

      If less than all the Securities of any series are to be redeemed (unless
all the Securities of such series and of a specified tenor are to be redeemed),
the particular Securities to be redeemed shall be selected not more than 45 days
prior to the Redemption Date by the Trustee, from the Outstanding Securities of
such series not previously called for redemption, by lottery for redemption of
portions (equal to the minimum authorized denomination for Securities of that
series or any integral multiple thereof) of the principal amount of Securities
of such series of a denomination larger than the minimum authorized denomination
for Securities of that series.

      The Trustee shall promptly notify the Partnership in writing of the
Securities selected for redemption and, in the case of any Securities selected
for partial redemption, the principal amount thereof to be redeemed.

      For all purposes of this Indenture, unless the context otherwise requires,
all provisions relating to the redemption of Securities shall relate, in the
case of any Securities redeemed or to be redeemed only in part, to the portion
of the principal amount of such Securities which has been or is to be redeemed.

SECTION 1104. Notice of Redemption.

      Notice of redemption shall be given by first-class mail (if international
mail, by air mail), postage prepaid, mailed not less than 30 nor more than 60
days prior to the Redemption Date, to each Holder of Securities to be redeemed,
at his address appearing in the Security Register.

      All notices of redemption shall state:

            (1) the Redemption Date,

            (2) the Redemption Price,

            (3) if less than all the Outstanding Securities of any series and of
      a specified tenor are to be redeemed, the identification (and, in the case
      of partial redemption of any Securities, the principal amounts) of the
      particular Securities to be redeemed,

            (4) that on the Redemption Date the Redemption Price will become due
      and payable upon each such Security to be redeemed and that interest
      thereon will cease to accrue on and after said date,

            (5) the place or places where such Securities are to be surrendered
      for payment of the Redemption Price, and

            (6) that the redemption is for a sinking fund, if such is the case.


                                      -58-
<PAGE>
      Notice of redemption of Securities to be redeemed shall be given by the
Partnership or, at the Partnership's request, by the Trustee in the name and at
the expense of the Partnership.

SECTION 1105. Deposit of Redemption Price.

      On or prior to any Redemption Date, the Partnership shall deposit with the
Trustee or with a Paying Agent (or, if the Partnership is acting as its own
Paying Agent, segregate and hold in trust as provided in Section 1003) an amount
of money sufficient to pay the Redemption Price of, and (except if the
Redemption Date shall be an Interest Payment Date) accrued interest on, all the
Securities which are to be redeemed on that date.

SECTION 1106. Securities Payable on Redemption Date.

      Notice of redemption having been given as aforesaid, the Securities so to
be redeemed shall, on the Redemption Date, become due and payable at the
Redemption Price therein specified, and from and after such date (unless the
Partnership shall default in the payment of the Redemption Price and accrued
interest) such Securities shall cease to bear interest. Upon surrender of any
such Security for redemption in accordance with said notice, such Security shall
be paid by the Partnership at the Redemption Price, together with accrued
interest to the Redemption Date; provided, however, that, unless otherwise
specified as contemplated by Section 301, installments of interest whose Stated
Maturity is on or prior to the Redemption Date shall be payable to the Holders
of such Securities, or one or more Predecessor Securities, registered as such at
the close of business on the relevant Record Dates according to their terms and
the provisions of Section 307.

      If any Security called for redemption shall not be so paid upon surrender
thereof for redemption, the principal and any premium shall, until paid, bear
interest from the Redemption Date at the rate prescribed therefor in the
Security.

SECTION 1107. Securities Redeemed in Part.

      Any Security which is to be redeemed only in part shall be surrendered at
a Place of Payment therefor (with, if the Partnership or the Trustee so
requires, due endorsement by, or a written instrument of transfer in form
satisfactory to the Partnership and the Trustee duly executed by, the Holder
thereof or his attorney duly authorized in writing), and the Partnership shall
execute, and the Trustee shall authenticate and deliver to the Holder of such
Security without service charge, a new Security or Securities of the same series
and of like tenor, of any authorized denomination as requested by such Holder,
in aggregate principal amount equal to and in exchange for the unredeemed
portion of the principal of the Security so surrendered.


                                      -59-
<PAGE>
                                   ARTICLE XII

                                  SINKING FUNDS

SECTION 1201. Applicability of Article.

      The provisions of this Article shall be applicable to any sinking fund for
the retirement of Securities of a series except as otherwise specified as
contemplated by Section 301 for Securities of such series.

      The minimum amount of any sinking fund payment provided for by the terms
of Securities of any series is herein referred to as a "mandatory sinking fund
payment," and any payment in excess of such minimum amount provided for by the
terms of Securities of any series is herein referred to as an "optional sinking
fund payment." If provided for by the terms of Securities of any series, the
cash amount of any sinking fund payment may be subject to reduction as provided
in Section 1202. Each sinking fund payment shall be applied to the redemption of
Securities of any series as provided for by the terms of Securities of such
series.

SECTION 1202. Satisfaction of Sinking Fund Payments with Securities.

      The Partnership (1) may deliver Outstanding Securities of a series (other
than any previously called for redemption), and (2) may apply as a credit
Securities of a series which have been redeemed either at the election of the
Partnership pursuant to the terms of such Securities or through the application
of permitted optional sinking fund payments pursuant to the terms of such
Securities, in each case in satisfaction of all or any part of any sinking fund
payment with respect to the Securities of such series required to be made
pursuant to the terms of such Securities as provided for by the terms of such
series; provided that such Securities have not been previously so credited. Such
Securities shall be received and credited for such purpose by the Trustee at the
Redemption Price specified in such Securities for redemption through operation
of the sinking fund and the amount of such sinking fund payment shall be reduced
accordingly.

SECTION 1203. Redemption of Securities for Sinking Fund.

      Not less than 45 days prior to each sinking fund payment date for any
series of Securities (unless a shorter period shall be satisfactory to the
Trustee), the Partnership will deliver to the Trustee an Officers' Certificate
specifying the amount of the next ensuing sinking fund payment for that series
pursuant to the terms of that series, the portion thereof, if any, which is to
be satisfied by payment of cash and the portion thereof, if any, which is to be
satisfied by delivering and crediting Securities of that series pursuant to
Section 1202 and stating the basis for such credit and that such Securities have
not been previously so credited, and will also deliver to the Trustee any
Securities to be so delivered. Not less than 30 days before each such sinking
fund payment date the Trustee shall select the Securities to be redeemed upon
such sinking fund payment date in the manner specified in Section 1103 and cause
notice of the redemption thereof to be given in the name of and at the expense
of the Partnership in the manner provided in Section 1104. Such notice having
been duly given, the redemption of such Securities shall be made upon the terms
and in the manner stated in Sections 1106 and 1107.


                                      -60-
<PAGE>
                                  ARTICLE XIII

                                   DEFEASANCE

SECTION 1301. Applicability of Article.

      The provisions of this Article shall be applicable to each series of
Securities except as otherwise specified as contemplated by Section 301 for
Securities of such series.

SECTION 1302. Legal Defeasance.

      In addition to discharge of the Indenture pursuant to Section 401, the
Partnership shall be deemed to have paid and discharged the entire indebtedness
on all the Securities of such a series on the 91st day after the date of the
deposit referred to in clause (1) below, and the provisions of this Indenture
with respect to the Securities of such series shall no longer be in effect
(except as to (i) rights of registration of transfer and exchange of Securities
of such series and the Partnership's right of optional redemption, if any, (ii)
substitution of mutilated, destroyed, lost or stolen Securities, (iii) rights of
Holders of Securities to receive payments of principal thereof and interest
thereon, upon the original stated due dates therefor or on the specified
redemption dates therefor (but not upon acceleration), and remaining rights of
the holders to receive mandatory sinking fund payments, if any, (iv) the rights,
obligations, duties and immunities of the Trustee hereunder, and the
Partnership's obligations in connection therewith (including, but not limited
to, Section 607), (v) the rights, if any, to convert or exchange the Securities
of such series, (vi) the rights of the Holders of Securities of such series as
beneficiaries hereof with respect to the property so deposited with the Trustee
payable to all or any of them, and (vii) the obligations of the Partnership
under Section 1002), and the Trustee, at the expense of the Partnership, shall,
upon a Partnership Request, execute proper instruments acknowledging the same,
if the conditions set forth below are satisfied (hereinafter, "defeasance"):

            (1) The Partnership has irrevocably deposited or caused to be
      deposited with the Trustee as trust funds in trust, for the purposes of
      making the following payments, specifically pledged as security for, and
      dedicated solely to, the benefit of the Holders of the Securities of such
      series (A) cash in an amount, or (B) in the case of any series of
      Securities the payments on which may only be made in legal coin or
      currency of the United States, U.S. Government Obligations, maturing as to
      principal and interest at such times and in such amounts as will insure
      the availability of cash, or (C) a combination thereof, certified to be
      sufficient, in the opinion of a nationally recognized firm of independent
      public accountants expressed in a written certification thereof delivered
      to the Trustee, to pay (i) the principal and interest and premium, if any,
      on all Securities of such series on each date that such principal,
      interest or premium, if any, is due and payable or on any Redemption Date
      established pursuant to clause (3) below, and (ii) any mandatory sinking
      fund payments on the dates on which such payments are due and payable in
      accordance with the terms of the Indenture and the Securities of such
      series;

            (2) The Partnership has delivered to the Trustee an Opinion of
      Counsel based on the fact that (A) the Partnership has received from, or
      there has been published by, the Internal Revenue Service a ruling, or (B)
      since the date hereof, there has been a change in


                                      -61-
<PAGE>
      the applicable federal income tax law, in either case to the effect that,
      and such opinion shall confirm that, the Holders of the Securities of such
      series will not recognize income, gain or loss for federal income tax
      purposes as a result of such deposit, defeasance and discharge and will be
      subject to federal income tax on the same amount and in the same manner
      and at the same times, as would have been the case if such deposit,
      defeasance and discharge had not occurred;

            (3) If the Securities are to be redeemed prior to Stated Maturity
      (other than from mandatory sinking fund payments or analogous payments),
      notice of such redemption shall have been duly given pursuant to this
      Indenture or provision therefor satisfactory to the Trustee shall have
      been made;

            (4) No Event of Default or event which with notice or lapse of time
      or both would become an Event of Default shall have occurred and be
      continuing on the date of such deposit;

            (5) Such defeasance shall not cause the Trustee to have a
      conflicting interest within the meaning of the Trust Indenture Act
      (assuming all Securities are in default within the meaning of such Act);

            (6) Such defeasance shall not result in a breach or violation of, or
      constitute a default under, any other agreement or instrument to which the
      Partnership is a party or by which it is bound;

            (7) Such defeasance shall not result in the trust arising from such
      deposit constituting an investment company within the meaning of the
      Investment Company Act of 1940, as amended, unless such trust shall be
      registered under such Act or exempt from registration thereunder; and

            (8) The Partnership has delivered to the Trustee an Officers'
      Certificate and an Opinion of Counsel, each stating that all conditions
      precedent provided for relating to the defeasance contemplated by this
      provision have been complied with.

      For this purpose, such defeasance means that the Partnership and any other
obligor upon the Securities of such series shall be deemed to have paid and
discharged the entire debt represented by the Securities of such series, which
shall thereafter be deemed to be "Outstanding" only for the purposes of Section
1304 and the rights and obligations referred to in clauses (i) through (vii),
inclusive, of the first paragraph of this Section, and to have satisfied all its
other obligations under the Securities of such series and this Indenture insofar
as the Securities of such series are concerned.

SECTION 1303. Covenant Defeasance.

      The Partnership and any other obligor shall be released on the 91st day
after the date of the deposit referred to in clause (1) below from its
obligations under Sections 704, 801, 1005, 1006 and 1007 with respect to the
Securities of any series on and after the date the conditions set forth below
are satisfied (hereinafter, "covenant defeasance"), and the Securities of such
series shall thereafter be deemed to be not "Outstanding" for the purposes of
any request, demand,


                                      -62-
<PAGE>
authorization, direction, notice, waiver, consent or declaration or other action
or Act of Holders (and the consequences of any thereof) in connection with such
covenants, but shall continue to be deemed Outstanding for all other purposes
hereunder. For this purpose, such covenant defeasance means that, with respect
to the Securities of such series, the Partnership may omit to comply with and
shall have no liability in respect of any term, condition or limitation set
forth in any such Section, whether directly or indirectly by reason of any
reference elsewhere herein to such Section or by reason of any reference in such
Section to any other provision herein or in any other document and such omission
to comply shall not constitute a Default or an Event of Default under Section
501, but, except as specified above, the remainder of this Indenture and the
Securities of such series shall be unaffected thereby. The following shall be
the conditions to application of this Section 1303:

            (1) The Partnership has irrevocably deposited or caused to be
      deposited with the Trustee as trust funds in trust for the purpose of
      making the following payments, specifically pledged as security for, and
      dedicated solely to, the benefit of the Holders of the Securities of such
      series, (A) cash in an amount, or (B) in the case of any series of
      Securities the payments on which may only be made in legal coin or
      currency of the United States, U.S. Government Obligations, maturing as to
      principal and interest at such times and in such amounts as will insure
      the availability of cash, or (C) a combination thereof, sufficient, in the
      opinion of a nationally recognized firm of independent public accountants
      expressed in a written certification thereof delivered to the Trustee, to
      pay (i) the principal and interest and premium, if any, on all Securities
      of such series on each date that such principal, interest or premium, if
      any, is due and payable or on any Redemption Date established pursuant to
      clause (2) below, and (ii) any mandatory sinking fund payments on the day
      on which such payments are due and payable in accordance with the terms of
      the Indenture and the Securities of such series;

            (2) If the Securities are to be redeemed prior to Stated Maturity
      (other than from mandatory sinking fund payments or analogous payments),
      notice of such redemption shall have been duly given pursuant to this
      Indenture or provision therefor satisfactory to the Trustee shall have
      been made;

            (3) No Event of Default or event which with notice or lapse of time
      or both would become an Event of Default shall have occurred and be
      continuing on the date of such deposit;

            (4) The Partnership has delivered to the Trustee an Opinion of
      Counsel which shall confirm that the Holders of the Securities of such
      series will not recognize income, gain or loss for federal income tax
      purposes as a result of such deposit and covenant defeasance and will be
      subject to federal income tax on the same amount and in the same manner
      and at the same time as would have been the case if such deposit and
      covenant defeasance had not occurred;

            (5) Such covenant defeasance shall not cause the Trustee to have a
      conflicting interest within the meaning of the Trust Indenture Act
      (assuming all Securities are in default within the meaning of such Act);


                                      -63-
<PAGE>
            (6) Such covenant defeasance shall not result in a breach or
      violation of, or constitute a default under, any other agreement or
      instrument to which the Partnership is a party or by which it is bound;

            (7) Such covenant defeasance shall not result in the trust arising
      from such deposit constituting an investment company within the meaning of
      the Investment Company Act of 1940, as amended, unless such trust shall be
      registered under such Act or exempt from registration thereunder; and

            (8) The Partnership has delivered to the Trustee an Officers'
      Certificate stating that all conditions precedent provided for relating to
      the covenant defeasance contemplated by this provision have been complied
      with.

SECTION 1304. Application by Trustee of Funds Deposited for Payment of
Securities.

      Subject to the provisions of the last paragraph of Section 1003, all
moneys or U.S. Government Obligations deposited with the Trustee pursuant to
Section 1302 or 1303 (and all funds earned on such moneys or U.S. Government
Obligations) shall be held in trust and applied by it to the payment, either
directly or through any Paying Agent (including the Partnership acting as its
own Paying Agent), to the Holders of the particular Securities of such series
for the payment or redemption of which such moneys have been deposited with the
Trustee, of all sums due and to become due thereon for principal and interest;
but such money need not be segregated from other funds except to the extent
required by law. Subject to Sections 1302 and 1303, the Trustee shall promptly
pay to the Partnership upon request any excess moneys held by it at any time.

SECTION 1305. Repayment to Partnership.

      The Trustee and any Paying Agent promptly shall pay or return to the
Partnership upon Partnership Request any money and U.S. Government Obligations
held by them at any time that are not required for the payment of the principal
of and any interest on the Securities of any series for which money or U.S.
Government Obligations have been deposited pursuant to Section 1302 or 1303.

      The provisions of the last paragraph of Section 1003 shall apply to any
money held by the Trustee or any Paying Agent under this Article that remains
unclaimed for two years after the Maturity of any series of Securities for which
money or U.S. Government Obligations have been deposited pursuant to Section
1302 or 1303.


                                      -64-
<PAGE>
      IN WITNESS WHEREOF, the parties hereto have caused this Indenture to be
duly executed, all as of the day and year first above written.

                                       ALLIANCE RESOURCE PARTNERS, L.P.

                                       By: Alliance Resource Management GP, LLC,
                                           Its Managing General Partner

                                           By: _________________________________
                                           Name: _______________________________
                                           Title: ______________________________


                                       [NAME OF TRUSTEE]

                                       By: _____________________________________
                                       Name: ___________________________________
                                       Title: __________________________________


                                      -65-