Document:

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                                                                     EXHIBIT 4.2

               THE BRYAN-COLLEGE STATION FINANCIAL HOLDING COMPANY
                      1998 STOCK OPTION AND INCENTIVE PLAN

         1. Plan Purpose. The purpose of the Plan is to promote the long-term
interests of the Corporation and its stockholders by providing a means for
attracting and retaining directors, advisory directors, officers and employees
of the Corporation and its Affiliates.

         2. Definitions. The following definitions are applicable to the Plan:

         "Affiliate" - means any "parent corporation" or "subsidiary
corporation" of the Corporation, as such terms are defined in Section 424(e) and
(f), respectively, of the Code.

         "Award" - means the grant by the Committee of an Incentive Stock
Option, a Non-Qualified Stock Option, a Right, or any combination thereof, as
provided in the Plan.

         "Award Agreement" - means the agreement evidencing the grant of an
Award made under the Plan.

         "Board" - means the board of directors of the Corporation.

         "Cause" - means Termination of Service by reason of personal
dishonesty, professional incompetence, willful misconduct, breach of fiduciary
duty involving personal profit, intentional failure to perform stated duties or
gross negligence.

         "Code" - means the Internal Revenue Code of 1986, as amended.

         "Committee" - means the Committee referred to in Section 3 hereof.

         "Corporation" - means The Bryan-College Station Financial Holding
Company, a Delaware corporation, and any successor thereto.

         "Incentive Stock Option" - means an option to purchase Shares granted
by the Committee which is intended to qualify as an incentive stock option under
Section 422(b) of the Code. Unless otherwise set forth in the Award Agreement,
any Option which does not qualify as an Incentive Stock Option for any reason
shall be deemed ab initio to be a Non-Qualified Stock Option.

         "Market Value" - means the average of the high and low quoted sales
price on the date in question (or, if there is no reported sale on such date, on
the last preceding date on which any reported sale occurred) of a Share on the
Composite Tape for New York Stock Exchange-Listed Stocks, or, if on such date
the Shares are not quoted on the Composite Tape, on the New York Stock Exchange,
or if the Shares are nor listed or admitted to trading on such Exchange, on the
principal United States securities exchange registered under the Securities
Exchange Act of 1934 (the "Exchange Act") on which the Shares are listed or
admitted to trading, or, if the Shares are not listed or admitted to trading on
any such exchange, the mean between the closing high bid and low asked
quotations with respect to a Share on such date on the National Association of
Securities Dealers, Inc., Automated Quotations System, or any similar system
then in use, or, if no such quotations are available, the fair market value on
such date of a Share as the Committee shall determine.

         "Non-Qualified Stock Option" - means an option to purchase Shares
granted by the Committee which does not qualify, for any reason, as an Incentive
Stock Option.

         "Option" - means an Incentive Stock Option or a Non-Qualified Stock
Option.

         "Participant" - means any director, advisory director, officer or
employee of the Corporation or any Affiliate who is selected by the Committee to
receive an Award.

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         "Plan" - means this The Bryan-College Station Financial Holding Company
1999 Stock Option and Incentive Plan.

         "Related" - means (i) in the case of a Right, a Right which is granted
in connection with, and to the extent exercisable, in whole or in part, in lieu
of, an Option or another Right and (ii) in the case of an Option, an Option with
respect to which and to the extent a Right is exercisable, in whole or in part,
in lieu thereof.

         "Right" - means a stock appreciation right with respect to Shares
granted by the Committee pursuant to the Plan.

         "Shares" - means the shares of common stock of the Corporation.

         "Termination of Service" - means cessation of service, for any reason,
whether voluntary or involuntary, so that the affected individual is not either
(i) an employee of the Corporation or any Affiliate for purposes of an Incentive
Stock Option, or (ii) a director, advisory director or employee of the
Corporation and any Affiliate for purposes of any other Award.

         3. Administration. The plan shall be administered by a Committee
consisting of two or more members of the Board, each of whom (i) shall be an
"outside director," as defined under Section 162(m) of the Code and the Treasury
regulations thereunder, and (ii) shall be a "non-employee director," as defined
under Rule 16(b) of the Securities Exchange Act of 1934 or any similar or
successor provision. The members of the Committee shall be appointed by the
Board. Except as limited by the express provisions of the Plan or by resolutions
adopted by the Board, the Committee shall have sole and complete authority and
discretion to (i) select Participants and grant Awards; (ii) determine the
number of Shares to be subject to types of Awards generally, as well as to
individual Awards granted under the Plan; (iii) determine the terms and
conditions upon which Awards shall be granted under the Plan; (iv) prescribe the
form and terms of Award Agreements; (v) establish from time to time regulations
for the administration of the Plan; and (vi) interpret the Plan and make all
determinations deemed necessary or advisable for the administration of the Plan.

         A majority of the Committee shall constitute a quorum, and the acts of
a majority of the members present at any meeting at which a quorum is present,
or acts approved in writing by a majority of the Committee without a meeting,
shall be acts of the Committee.

         4. Shares Subject to Plan.

                  (a) Subject to adjustment by the operation of Section 6, the
maximum number of Shares with respect to which Awards may be made under the Plan
is 40,000, plus (i) the number of Shares repurchased by the Corporation in the
open market or otherwise with an aggregate price no greater than the cash
proceeds received by the Corporation from the exercise of Options granted under
the Plan, plus (ii) any Shares surrendered to the Corporation in payment of the
exercise price of Options granted under the Plan. The Shares with respect to
which Awards may be made under the Plan may be either authorized and unissued
Shares or previously issued Shares reacquired and held as treasury Shares.
Shares which are subject to Related Rights and Related Options shall be counted
only once in determining whether the maximum number of Shares with respect to
which Awards may be granted under the Plan has been exceeded. An Award shall not
be considered to have been made under the Plan with respect to any Option or
Right which terminates, and new Awards may be granted under the Plan with
respect to the number of Shares as to which such termination has occurred.

                  (b) During any calendar year, no Participant may be granted
Awards under the Plan with respect to more than 10,000 Shares, subject to
adjustment as provided in Section 6.

         5. Awards.

                  (a) Options. The Committee is hereby authorized to grant
Options to Participants with the following terms and conditions and with such
additional terms and conditions not inconsistent with the provisions of

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the Plan and the requirements of applicable law as the Committee shall
determine, including the granting of Options in tandem with other Awards under
the Plan:

                           (i) Exercise Price. The exercise price per Share for
an Option shall be determined by the Committee; provided, however, that such
exercise price shall not be less than 100% of the Market Value of a Share on the
date of grant of such Option.

                           (ii) Option Term. The term of each Option shall be
fixed by the Committee, but shall be no greater than 10 years in the case of an
Incentive Stock Option or 15 years in the case of a Non-Qualified Stock Option.

                           (iii) Time and Method of Exercise. The Committee
shall determine the time or times at which an Option may be exercised in whole
or in part and the method or methods by which, and the form or forms (including,
without limitation, cash, Shares, other Awards or any combination thereof,
having a fair market value on the exercise date equal to the relevant exercise
price) in which, payment of the exercise price with respect thereto may be made
or deemed to have been made.

                           (iv) Incentive Stock Options. Incentive Stock Options
may be granted by the Committee only to officers and employees of the
Corporation or its Affiliates.

                           (v) Termination of Service. Unless otherwise
determined by the Committee and set forth in the Award Agreement evidencing the
grant of the Option, upon Termination of Service of the Participant for any
reason other than for Cause, all Options then currently exercisable shall remain
exercisable for the lesser of (A) three years following such Termination of
Service or (B) until the expiration of the Option by its terms. Upon Termination
of Service for Cause, all Options not previously exercised shall immediately be
forfeited.

                  (b) Rights. A Right shall, upon its exercise, entitle the
Participant to whom such Right was granted to receive a number of Shares or cash
or combination thereof, as the Committee in its discretion shall determine, the
aggregate value of which (i.e., the sum of the amount of cash and/or Market
Value of such Shares on date of exercise) shall equal (as nearly as possible, it
being understood that the Corporation shall not issue any fractional Shares) the
amount by which the Market Value per Share on the date of such exercise shall
exceed the exercise price of such Right, multiplied by the number of Shares with
respect to which such Right shall have been exercised. A Right may be Related to
an Option or may be granted independently of any Option as the Committee shall
from time to time in each case determine. In the case of a Related Option, such
Related Option shall cease to be exercisable to the extent of the Shares with
respect to which the Related Right was exercised. Upon the exercise or
termination of a Related Option, any Related Right shall terminate to the extent
of the Shares with respect to which the Related Option was exercised or
terminated.

         6. Adjustments Upon Changes in Capitalization. In the event of any
change in the outstanding Shares subsequent to the effective date of the Plan by
reason of any reorganization, recapitalization, stock split, stock dividend,
combination or exchange of shares, merger, consolidation or any change in the
corporate structure or Shares of the Corporation, the maximum aggregate number
and class of shares and exercise price of the Award, if any, as to which Awards
may be granted under the Plan and the number and class of shares and exercise
price of the Award, if any, with respect to which Awards have been granted under
the Plan shall be appropriately adjusted by the Committee, whose determination
shall be conclusive. Except as otherwise provided herein, any Award which is
adjusted as a result of this Section 6 shall be subject to the same terms and
conditions as the original Award.

         7. Effect of Merger on Options or Rights. In the case of any merger,
consolidation or combination of the Corporation (other than a merger,
consolidation or combination in which the Corporation is the continuing
corporation and which does not result in the outstanding Shares being converted
into or exchanged for different securities, cash or other property, or any
combination thereof), any Participant to whom an Option or Right has been
granted shall have the additional right (subject to the provisions of the Plan
and any limitation applicable to such Option or Right), thereafter and during
the term of each such Option or Right, to receive upon exercise of any such
Option or Right an amount equal to the excess of the fair market value on the
date of such exercise of the securities,

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cash or other property, or combination thereof, receivable upon such merger,
consolidation or combination in respect of a Share over the exercise price of
such Right or Option, multiplied by the number of Shares with respect to which
such Option or Right shall have been exercised. Such amount may be payable fully
in cash, fully in one or more of the kind or kinds of property payable in such
merger, consolidation or combination, or partly in cash and partly in one or
more of such kind or kinds of property, all in the discretion of the Committee.

         8. Effect of Change in Control. Each of the events specified in the
following clauses (i) through (iii) of this Section 8 shall be deemed a "change
in control": (i) any third person, including a "group" as defined in Section
13(d)(3) of the Securities Exchange Act of 1934, shall become the beneficial
owner of shares of the Corporation with respect to which 25% or more of the
total number of votes for the election of the Board may be cast, (ii) as a
result of, or in connection with, any cash tender offer, merger or other
business combination, sale of assets or contested election, or combination of
the foregoing, the persons who were directors of the Corporation shall cease to
constitute a majority of the Board, or (iii) the stockholders of the Corporation
shall approve an agreement providing either for a transaction in which the
Corporation will cease to be an independent publicly-owned corporation or for a
sale or other disposition of all or substantially all the assets of the
Corporation. If a tender offer or exchange offer for Shares (other than such an
offer by the Corporation) is commenced, or if a change in control shall occur,
unless the Committee shall have otherwise provided in the Award Agreement, all
Options and Rights granted and not fully exercisable shall become exercisable in
full upon the happening of such event and shall remain so exercisable for a
period of 60 days following such date, after which each such Option and Right
shall revert to being exercisable in accordance with the other provisions of
such Option or Right; provided, however, that no Option or Right which has
previously been exercised or otherwise terminated shall become exercisable.

         9. Assignments and Transfers. No Incentive Stock Option granted under
the Plan shall be transferable other than by will or the laws of descent and
distribution. Any other Award shall be transferable by will, the laws of descent
and distribution, a "domestic relations order," as defined in Section
414(p)(1)(B) of the Code, or a gift to any member of the Participant's immediate
family or to a trust for the benefit of one or more of such immediate family
members. During the lifetime of an Award recipient, an Award shall be
exercisable only by the Award recipient unless it has been transferred as
permitted hereby, in which case it shall be exercisable only by such transferee.
For the purpose of this Section 9, a Participant's "immediate family" shall mean
the Participant's spouse, children and grandchildren.

         10. Employee Rights Under the Plan. No person shall have a right to be
selected as a Participant nor, having been so selected, to be selected again as
a Participant, and no employee or other person shall have any claim or right to
be granted an Award under the Plan or under any other incentive or similar plan
of the Corporation or any Affiliate. Neither the Plan nor any action taken
thereunder shall be construed as giving any employee any right to be retained in
the employ of the Corporation or any Affiliate.

         11. Delivery and Registration of Stock. The Corporation's obligation to
deliver Shares with respect to an Award shall, if the Committee so requests, be
conditioned upon the receipt of a representation as to the investment intention
of the Participant to whom such Shares are to be delivered, in such form as the
Committee shall determine to be necessary or advisable to comply with the
provisions of the Securities Act of 1933 or any other federal, state or local
securities legislation. It may be provided that any representation requirement
shall become inoperative upon a registration of the Shares or other action
eliminating the necessity of such representation under such Securities Act or
other securities legislation. The Corporation shall not be required to deliver
any Shares under the Plan prior to (i) the admission of such Shares to listing
on any stock exchange on which Shares may then be listed and (ii) the completion
of such registration or other qualification of such Shares under any state or
federal law, rule or regulation, as the Committee shall determine to be
necessary or advisable.

         12. Withholding Tax. The Corporation shall have the right to deduct
from all amounts paid in cash with respect to the exercise of a Right under the
Plan any taxes required by law to be withheld with respect to such cash
payments. Where a Participant or other person is entitled to receive Shares
pursuant to the exercise of an Option or Right pursuant to the Plan, the
Corporation shall have the right to require the Participant or such other person
to pay the Corporation the amount of any taxes which the Corporation is required
to withhold with respect to such Shares, or, in lieu thereof, to retain, or sell
without notice, a number of such Shares sufficient to cover the

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amount required to be withheld. All withholding decisions pursuant to this
Section 12 shall be at the sole discretion of the Committee or the Corporation.

         13. Amendment or Termination.

                  (a) The Board may amend, alter, suspend, discontinue, or
terminate the Plan without the consent of shareholders or Participants, except
that any such action will be subject to the approval of the Corporation's
shareholders if, when and to the extent such shareholder approval is necessary
or required for purposes of any applicable federal or state law or regulation or
the rules of any stock exchange or automated quotation system on which the
Shares may then be listed or quoted, or if the Board, in its discretion,
determines to seek such shareholder approval.

                  (b) The Committee may waive any conditions of or rights of the
Corporation, or modify or amend the terms of any outstanding Award, provided
however. that the Committee may not amend, alter, suspend, discontinue or
terminate any outstanding Award without the consent of the Participant or holder
thereof, except as otherwise provided herein.

         14. Effective Date and Term of Plan. The Plan shall become effective
upon the later of its adoption by the Board or its approval by the shareholders
of the Corporation. It shall continue in effect for a term of fifteen years
thereafter.

                                       5<PAGE>
                                                                    EXHIBIT 10.7

                                     FORM OF

                   ROYALTY PASS-THROUGH AGREEMENT AND GUARANTY

                          DATED AS OF OCTOBER ___, 2002

                                      AMONG

                                 ARCH COAL, INC.

                                       AND

                                ARK LAND COMPANY

                                       AND

                                    ACIN LLC

<PAGE>
      THIS ROYALTY PASS-THROUGH AGREEMENT AND GUARANTY, dated as of October ___,
2002 (this "Agreement"), is entered into by and among Arch Coal, Inc., a
Delaware corporation ("Arch"), Ark Land Company, a Delaware corporation ("Ark"),
and ACIN LLC, a Delaware limited liability company ("ACIN"). Arch, Ark and ACIN
are sometimes referred to together herein as the "Parties" and individually as a
"Party".

                                    RECITALS

      WHEREAS, pursuant to two agreements between Black Beauty Land Company,
Inc. ("Black Beauty") and Ark, dated March 4, 1986 which are more specifically
identified on Exhibit A attached hereto (together, the "Mine Agreements"), Ark
assigned to Black Beauty certain leases more specifically identified in said
Mine Agreements; and

      WHEREAS, pursuant to the Mine Agreements, Ark retained an overriding
royalty interest on coal mined and sold from the areas more specifically
described in the Mine Agreements (together, the "Mine Areas"); and

      WHEREAS, Ark has agreed to pay to ACIN amounts received pursuant to the
overriding royalty interest, if any, paid to Ark under the Mine Agreements; and

      WHEREAS, Arch desires to guarantee the payment of such amounts to ACIN on
the terms and subject to the limitations specified herein;

      NOW, THEREFORE, for good and valuable consideration, the receipt and
sufficiency of which are hereby acknowledged, the parties hereto hereby agree as
follows:

                                   ARTICLE I
                                  DEFINITIONS

      Section 1.1 Definitions. Each capitalized term used herein shall have the
meanings specified below.

      "ACIN" shall have the meaning set forth in the Preamble.

      "Agreement" shall have the meaning set forth in the Preamble.

      "Arch" shall have the meaning set forth in the Preamble.

      "Ark" shall have the meaning set forth in the Preamble.

      "Black Beauty" shall have the meaning set forth in the Recitals.

      "Business Day" means a day (other than a Saturday or Sunday) on which
banks generally are open in New York City for the conduct of substantially all
of their commercial lending activities.

      "Guaranteed Obligations" means the obligation from time to time of Ark to
pay the Royalties pursuant to Section 2.1 of this Agreement.
<PAGE>
      "Mine Agreements" shall have the meaning set forth in the Recitals.

      "Mine Areas" shall have the meaning given such term in the Recitals.

      "Party" shall have the meaning set forth in the Preamble.

      "Royalties" shall mean all (a) "Advance Royalties" received by Ark
pursuant to Section 8 of each Mine Agreement, and (b) "Overriding Production
Royalties" received by Ark pursuant to Section 9 of each Mine Agreement.

      "Termination Date" means the date upon which (a) each Mine Agreement has
been terminated, and (b) all Royalties have been paid by Ark and/or Arch to ACIN
in accordance with the terms of this Agreement.

Section 1.2 Gender, Parts, Articles and Sections. Whenever the context requires,
the gender of all words used in this Agreement shall include masculine, feminine
and neuter, and the number of all words shall include the singular and plural.
All references to Article numbers and Section numbers refer to Articles and
Sections of this Agreement. All defined terms shall be equally applicable to
both the singular and plural forms of the term.

                                   ARTICLE II
                               PAYMENT OBLIGATION

Section 2.1 Payment. Ark hereby agrees to pay to ACIN any and all Royalties
received by Ark from time to time. Ark hereby agrees to make such payments to
ACIN within fifteen (15) days of Ark's receipt of such Royalties. If Ark fails
to make such payment to ACIN within fifteen (15) days of receipt of the
Royalties, interest shall accrue on the outstanding amount at the lesser of 10%
per annum or the maximum rate permissible by applicable law until the date of
payment, all such interest to be payable on demand.

      Whenever any payment to be made hereunder shall be stated to be due on a
day which is not a Business Day, the due date thereof shall be extended to the
next succeeding Business Day (unless such next succeeding Business Day is after
the Termination Date, in which event the due date shall be the immediately
preceding Business Day).

                                   ARTICLE III
                                    GUARANTY

Section 3.1 Guaranty. Arch hereby (a) absolutely, unconditionally and
irrevocably guarantees to ACIN the full, punctual and prompt payment when due of
the Guaranteed Obligations, and (b) indemnifies and holds harmless ACIN, its
successors and assigns, from, and agrees to pay to ACIN, its successors and
assigns, all reasonable costs and expenses (including reasonable counsel fees
and expenses) incurred by ACIN in enforcing any of its rights under this
Agreement; provided, however, Arch shall not be obligated to make any payment
under this Section 3.1 until five (5) Business Days after Arch has received
written demand therefor from ACIN, which demand shall set forth in reasonable
detail the amount for which demand is being made. The guaranty in this Section
3.1 is a continuing guaranty, and shall apply to all

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Guaranteed Obligations whenever arising and shall remain in full force and
effect, and shall not be terminated until all Guaranteed Obligations and all
costs and expenses have been paid in full.

      SECTION 3.2 Obligations Unconditional. Arch guarantees that the Guaranteed
Obligations will be paid strictly in accordance with the terms of this
Agreement, and hereby waives any defenses that Arch or any other person liable
for the Guaranteed Obligations may have or assert, other than the terms of this
Agreement. Arch further waives notices of protest, presentment, demand (other
than the demand for payment described in Section 3.1), nonpayment,
nonperformance, promptness, diligence, default, dishonor and any other notice
with respect to the Guaranteed Obligations and any requirement that ACIN exhaust
any right or take any action against Ark or any other person. The liability of
Arch under this Agreement to the fullest extent permitted by law shall be
absolute and unconditional.

      SECTION 3.3 Insolvency of Ark. The obligation of Arch hereunder shall
continue to be effective or be reinstated, as the case may be, if at any time
any payment of any of the Guaranteed Obligations is rescinded or must otherwise
be returned by ACIN for any reason, including, without limitation, the
insolvency, bankruptcy or reorganization of Ark or otherwise, all as though such
payment had not been made, and, in such event, Arch will pay to ACIN an amount
equal to any such payment that has been rescinded or returned. The provisions of
this Section 3.3 shall survive any release or termination of this Agreement.

                                   ARTICLE IV
                                  MISCELLANEOUS

      Section 4.1 Termination of the Agreement. Unless otherwise agreed upon by
the parties to this Agreement, this Agreement shall terminate on the Termination
Date and all obligations of Ark and, except as specified in Section 3.3, Arch
hereunder shall immediately cease and Ark and Arch shall have the right to
cancel all Royalty payments with respect to any transactions entered into from
and after such date.

      Section 4.2 Notice. Any demand, notice, request, instruction,
correspondence or other document to be given hereunder by Arch to ACIN or by
ACIN to Ark or any other party to this Agreement (herein collectively called
"Notice") shall be in writing and delivered personally or mailed, postage
prepaid, or by telecopier, as follows:

                  if to Arch:

                        Arch Coal, Inc.
                        CityPlace One, Suite 300
                        St. Louis, MO 63141
                        U.S.A.
                        Attention: Robert G. Jones
                        Facsimile: 314-994-2734

                                       3
<PAGE>

                  if to Ark:

                        Ark Land Company
                        CityPlace One, Suite 300
                        St. Louis, MO 63141
                        U.S.A.
                        Attention: Robert G. Jones
                        Facsimile: 314-994-2734

                  if to ACIN LLC:

                        ACIN LLC
                        P.O. Box 2827
                        1035 Third Avenue, Suite 300
                        Huntington, WV 25727
                        U.S.A.
                        Attention:  Nick Carter
                        Facsimile: 304-522-5401

      All such Notices shall be effective, if mailed, two Business Days after
deposit in the mails; if sent by overnight courier, one Business Day after
delivery to the courier company; and if sent by telecopier, when received by the
receiving telecopier equipment, respectively; provided, however, that telecopied
Notices received by any party after its normal business hours (or on a day other
than a Business Day) shall be effective on the next Business Day.

      Section 4.3 Amendment or Waiver. No amendment, waiver, supplement or other
modification of any provision of this Agreement shall be effective unless the
same shall be in writing and signed by all parties to this Agreement and then
such amendment, waiver, supplement or other modification shall be effective only
in the specific instance and for the specific purpose for which given.

      Section 4.4 Successors and Assigns. This Agreement shall be binding upon
Ark and Arch and their successors and assigns and shall inure to the benefit of
and be enforceable by ACIN and its successors and assigns; provided that Ark and
Arch may not assign or transfer any of their rights or obligations under this
Agreement without the prior written consent of ACIN and its successors and
assigns.

      Section 4.5 Severability. In case any provision in or obligation under
this Agreement shall be invalid, illegal or unenforceable in any jurisdiction,
then the validity, legality and enforceability of the remaining provisions or
obligations, or such provision or obligation in any other jurisdiction, shall
not in any way be affected or impaired thereby.

      Section 4.6 Governing Law. THIS AGREEMENT SHALL BE GOVERNED BY AND
CONSTRUED IN ACCORDANCE WITH THE LAW OF THE STATE OF MISSOURI.

                                       4
<PAGE>
      Section 4.7 Captions. The captions in this Agreement are for convenience
only and shall not be considered a part of or affect the construction or
interpretation of any provision of this Agreement.

      Section 4.8 Further Assurances. On or after the execution of this
Agreement, each Party, at the request of another Party, will execute and deliver
to the requesting Party all such further agreements, contracts, instruments and
other documents as the requesting Party may reasonably request in order to
perform, accomplish, perfect or record, if reasonably necessary, the
transactions contemplated by this Agreement and to otherwise carry out the
intention of this Agreement.

      Section 4.9 Counterparts. This Agreement may be executed in counterparts,
each of which shall be deemed an original, but all of which together shall
constitute one and the same agreement.

                                       5
<PAGE>
      WHEREOF, Arch, Ark and ACIN have caused this Agreement to be
executed by their respective duly authorized officers as of the day and year
first above written.

                                    ARCH COAL, INC.

                                 By:
                                    ------------------------------
                               Name:
                                    ------------------------------
                              Title:
                                    ------------------------------

                                    ARK LAND COMPANY

                                 By:
                                    ------------------------------
                               Name:
                                    ------------------------------
                              Title:
                                    ------------------------------

                                    ACIN LLC

                                    By:  NRP (Operating) LLC, ACIN LLC's sole
                                         member

                                 By:
                                    ------------------------------
                               Name:
                                    ------------------------------
                              Title:
                                    ------------------------------

                                       6
<PAGE>

                                    EXHIBIT A

1.    Mine Area Two Agreement dated March 4, 1986 between Black Beauty Land
      Company, Inc. and Ark Land Company, unrecorded (I-120-2).

2.    Mine Area Three Agreement dated March 4, 1986 between Black Beauty Land
      Company, Inc. and Ark Land Company, unrecorded (I-120-3).

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