Document:

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                      COMMERCIAL SECURITY AGREEMENT

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Principal     Loan Date    Maturity    Loan No     Call   Collateral    Account   Officer    Initials
<S>          <C>          <C>          <C>         <C>       <C>       <C>          <C>       <C>
$250,000     12-28-2000   12-28-2003   0005788     590       4430      0984280      2331
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References in the shaded area are for Lender's use only and do no limit the
applicability of this document to any particular loan or item.

BORROWER:    GTS I HOD, INC. (TIN: 710843100)        LENDER:  REGIONS BANK
             4890 BUTTERFIELD COACH RD                        ROGERS MAIN OFFICE
             SPRINGDALE, AR 72764-7718                        500 WEST WALNUT
                                                              ROGERS, AR 72756

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

THIS COMMERCIAL SECURITY AGREEMENT is entered into between GTS/HDD, INC.
(referred to below as "Grantor"); and Regions Bank (referred to below as
"Lender"). For valuable consideration, Grantor grants to Lender a security
interest in the Collateral to secure the Indebtedness and agrees that Lender
shall have the rights stated in this Agreement with respect to the Collateral,
in addition to all other rights which Lender may have by law.

DEFINITIONS. The following words shall have the following meanings when used in
this Agreement. Terms not otherwise defined in this Agreement shall have the
meanings attributed to such terms in the Uniform Commercial Code. All references
to dollar amounts shall mean amounts in lawful money of the United States of
America.

     AGREEMENT. The word "Agreement" means this Commercial Security Agreement,
     as this Commercial Security Agreement may be amended or modified from time
     to time, together with all exhibits and schedules attached to this
     Commercial Security Agreement from time to time.

     COLLATERAL. The word "Collateral" means the following described property of
     Grantor, whether now owned or hereafter acquired, whether now existing or
     hereafter arising, and wherever located:

          2000 AMERICAN AUGER BORING MACHINE, MODEL DD6 AND ALL ACCESSIONS
          ATTACHED, SN# DD60660400; SONDE 50' W/EXTRA BATTERY LIFE, SN# D4X
          217964; CABLESONDE 100'. DCI P/N DC, SN# DCX 127422; LOCATING SYS.,
          DCI, MK3, REMT. W/O, RECEIVER SN# MDRR 1302; DISPLAY SN# MDDC 1264;
          CHARGER SN# DBC 8462: POWER SUPPLY SN# DCS 428

     In addition, the word "Collateral" includes all the following, whether now
     owned or hereafter acquired, whether now existing or hereafter arising, and
     wherever located:

          (a) All attachments, accessions, accessories, tools, parts, supplies,
          increases, and additions to and all replacements of and substitutions
          for any property described above.

          (b) All products and produce of any of the property described in this
          Collateral section.

          (c) All accounts, general intangibles, instruments, rents, movies,
          payments, and all other rights, arising out of a sale, lease, or other
          disposition of any of the property described in this Collateral
          section.

          (d) All proceeds including insurance proceeds) from the sale,
          destruction, loss, or other disposition of any of the property
          described in this Collateral section.

          (e) All records and data relating to any of the property described in
          this Collateral section, whether in the form of a writing, photograph,
          microfilm, microfiche, or electronic media, together with all of
          Grantor's right, title, and interest in and to all computer software
          required to utilize, create, maintain, and process any such records or
          data on electronic media.

     EVENT OF DEFAULT. The words "Event of Default" mean and include without
     limitation any of the Events of Default set forth below in the section
     titled "Events of Default."

     GRANTOR. The word "Grantor" means GTS/HDD, INC., its successors and assigns

     GUARANTOR. The word "Guarantor" means and includes without limitation each
     and all of the guarantors, sureties, and accommodation parties in
     connection with the Indebtedness.

     INDEBTEDNESS. The word "Indebtedness" means the indebtedness evidenced by
     the Note, including all principal and interest, together with all other
     indebtedness and costs and expenses for which Grantor is responsible under
     this Agreement or under any of the Related Documents. In addition, the word
     "Indebtedness" includes all other obligations, debts and liabilities, plus
     interest thereon, of Grantor, or any one or more of them, to Lender, as
     well as all claims by Lender against Grantor, or any one or more of them,
     whether existing now or later; whether they are voluntary or involuntary,
     due or not due, direct or indirect, absolute or contingent, liquidated or
     unliquidated; whether Grantor may be liable individually or jointly with
     others; whether Grantor may be obligated as guarantor, surety,
     accommodation party or otherwise; whether recovery upon such indebtedness
     may be or hereafter may become barred by any statute of limitations; and
     whether such indebtedness may be or hereafter may become otherwise
     unenforceable.

     LENDER. The word "Lender" means Regions Bank, its successors and assigns.

     NOTE. The word "Note" means the note or credit agreement dated December 28,
     2000, in the principal amount of $250,000.00 from GTS/HDD, INC. to Lender,
     together with all renewals of, extensions of, modifications of,
     refinancings of, consolidations of and substitutions for the note or credit
     agreement.

     RELATED DOCUMENTS. The words "Related Documents" mean and include without
     limitation all promissory notes, credit agreements, loan agreements,
     environmental agreements, guaranties, security agreements, mortgages, deeds
     of trust, and all other instruments, agreements and documents, whether now
     or hereafter existing, executed in connection with the Indebtedness.

RIGHT OF SETOFF. Grantor hereby grants Lender a contractual security interest in
and hereby assigns, conveys, delivers, pledges, and transfers all of Grantor's
right, title and interest in and to Grantor's accounts with Lender (whether
checking, savings, or some other account), including all accounts held jointly
with someone else and all accounts Grantor may open in the future, excluding,
however, all IRA and Keogh accounts, and all trust accounts for which the grant
of a security interest would be prohibited by law. Grantor authorizes Lender, to
the extant permitted by applicable law, to charge or setoff all Indebtedness
against any and all such accounts.

OBLIGATIONS OF GRANTOR. Grantor warrants and covenants to Lender as follows:

     ORGANIZATION. Grantor is a corporation which is duly organized, validly
     existing, and in good standing under the laws of the State of Arkansas.

     AUTHORIZATION. The execution, delivery, and performance of this Agreement
     by Grantor have been duly authorized by all necessary action by Grantor and
     do not conflict with, result in a violation of, or constitute a default
     under (a) any provision of its articles of incorporation or organization,
     or bylaws, or any agreement or other instrument binding upon Grantor or (b)
     any law, governmental regulation, court decree, or order applicable to
     Grantor.

     PERFECTION OF SECURITY INTEREST. Grantor agrees to execute such financing
     statements and to take whatever other actions are requested by Lender to
     perfect and continue Lender's security interest in the Collateral. Upon
     request of Lender, Grantor will deliver to Lender any and all of the
     documents evidencing or constituting the Collateral, and Grantor will note
     Lender's Interest upon any and all chattel paper if not delivered to Lender
     for possession by Lender. Grantor hereby appoints Lender as its irrevocable
     attorney-in-fact for the purpose of executing any documents necessary to
     perfect or to continue the security interest granted in this Agreement.
     Lender may at any time, and without further authorization from Grantor,
     file a carbon, photographic or other reproduction of any financing
     statement or of this Agreement for use as a financing statement. Grantor
     will reimburse Lender for all expenses for the perfection and the
     continuation of the perfection of Lender's security interest in the
     Collateral. Grantor promptly will notify Lender before any change in
     Grantor's name including any change to the assumed business names of
     Grantor. THIS IS A CONTINUING SECURITY AGREEMENT AND WILL CONTINUE IN
     EFFECT EVEN THOUGH ALL OR ANY PART OF THE INDEBTEDNESS IS PAID IN FULL AND
     EVEN THOUGH FOR A PERIOD OF TIME GRANTOR MAY NOT BE INDEBTED TO LENDER.

     NO VIOLATION. The execution and delivery of this Agreement will not violate
     any law or agreement governing Grantor or to which Grantor is a party, and
     its certificate or articles of incorporation and bylaws do not prohibit any
     term or condition of this Agreement.

     ENFORCEABILITY OF COLLATERAL. To the extent the Collateral consists of
     accounts, chattel paper, or general intangibles, the Collateral is
     enforceable in accordance with its terms, is genuine, and complies with
     applicable laws concerning form, content and manner of preparation and
     execution, and all persons appearing to be obligated on the Collateral have
     authority and capacity to contract and are in fact obligated as they appear
     to be on the Collateral.

     REMOVAL OF COLLATERAL. GRANTOR shall keep the Collateral (or to the extent
     the Collateral consists of intangible property such as accounts, the
     records concerning the Collateral) at Grantor's address shown above, or at
     such other locations as are acceptable to Lender. Except in the ordinary
     course of its business, including the sales of inventory, Grantor shall not
     remove the Collateral from its existing locations without the prior written
     consent of Lender. To the extent that the Collateral consists of vehicles,
     or other titled property, Grantor shall not take or permit any action which
     would require application for certificates of title for the vehicles
     outside the State of Arkansas, without the prior written consent of Lender.

     TRANSACTIONS INVOLVING COLLATERAL. Except for inventory sold or accounts
     collected in the ordinary course of Grantor's business, Grantor shall not
     sell, offer to sell, or otherwise transfer or dispose of the Collateral.
     Grantor shall not pledge, mortgage, encumber or otherwise permit the
     Collateral to be subject to any lien, security interest, encumbrance, or
     charge, other than the security interest provided for in this Agreement,
     without the prior written consent of Lender. This includes security
     interests even if junior in right to the security interests granted under
     this Agreement. Unless waived by Lender, all proceeds from any disposition
     of the Collateral (for whatever reason) shall be held in trust for Lender
     and shall not be commingled with any other funds; provided however, this
     requirement shall not constitute consent by Lender to any sale or other
     disposition. Upon receipt, Grantor shall immediately deliver any such
     proceeds to Lender.

     TITLE. Grantor represents and warrants to Lender that it holds good and
     marketable title to the Collateral, free and clear of all liens and
     encumbrances except for the lien of this Agreement. No financing statement
     covering any of the Collateral is on file in any public office other than
     those which reflect the security interest created by this Agreement or to
     which Lender has specifically consented. Grantor shall defend Lender's
     rights in the Collateral against the claims and demands of all other
     persons.

     COLLATERAL SCHEDULES AND LOCATIONS. Insofar as the Collateral consists of
     equipment, Grantor shall deliver to Lender, as often as Lender shall
     require, such lists, descriptions, and designations of such Collateral as
     Lender may require to identify the nature, extent, and location of such
     Collateral. Such information shall be submitted for Grantor and each of its
     subsidiaries or related companies.

     MAINTENANCE AND INSPECTION OF COLLATERAL. Grantor shall maintain all
     tangible Collateral in good condition and repair. Grantor will not commit
     or permit damage to or destruction of the Collateral or any part of the
     Collateral. Lender and its designated representatives and agents shall have
     the right at all reasonable times to examine, inspect, and audit the
     Collateral wherever located. Grantor shall immediately notify Lender of all
     cases involving the return, rejection, repossession, loss or damage of or
     to any Collateral; of any request for credit or adjustment or of any other
     dispute arising with respect to the Collateral; and generally of all
     happenings and events affecting the Collateral or the value or the amount
     of the Collateral.

     TAXES, ASSESSMENTS END LIENS. Grantor will pay when due all taxes,
     assessments and liens upon the Collateral, its use or operation, upon this
     Agreement, upon any promissory note or notes evidencing the Indebtedness,
     or upon any of the other Related Documents. Grantor may withhold any such
     payment or may elect to contest any lien if Grantor is in good faith
     conducting an

<PAGE>

     appropriate proceeding to contest the obligation to pay and so long as
     Lender's interest in the Collateral is not jeopardized in Lender's sole
     opinion. If the Collateral is subjected to a lien which is not discharged
     within fifteen (15) days, Grantor shall deposit with Lender cash, a
     sufficient corporate surety bond or other security satisfactory to Lender
     in an amount adequate to provide for the discharge of the lien plus any
     interest, costs, reasonable attorneys' fees or other charges that could
     accrue as a result of foreclosure or sale of the Collateral. In any contest
     Grantor shall defend itself and Lender and shall satisfy any final adverse
     judgment before enforcement against the Collateral. Grantor shall name
     Lender as an additional obligee under any surety bond furnished in the
     contest proceedings.

     COMPLIANCE WITH GOVERNMENTAL REQUIREMENTS. Grantor shall comply promptly
     with all laws, ordinances, rules and regulations of all governmental
     authorities, now or hereafter in effect, applicable to the ownership,
     production, disposition, or use of the Collateral. Grantor may contest in
     good faith any such law, ordinance or regulation and withhold compliance
     during any proceeding, including appropriate appeals, so long as Lender's
     interest in the Collateral, in Lender's opinion, is not jeopardized.

     HAZARDOUS SUBSTANCES. Grantor represents and warrants that the Collateral
     never has been, and never will be so long as this Agreement remains a lien
     on the Collateral, used for the generation, manufacture, storage,
     transportation, treatment, disposal, release or threatened release of any
     hazardous waste or substance, as those terms are defined in the
     Comprehensive Environmental Response, Compensation, and Liability Act of
     1980, as amended, 42 U.S.C. Section 9601, et seq. ("CERCLA") the Superfund
     Amendments and Reauthorization Act of 1986, Pub. L. No. 99-499 ("SARA"),
     the Hazardous Materials Transportation Act, 49 U.S.C. Section 1801, et
     seq., the Resource Conservation and Recovery Act, 42 U.S.C. Section 6901,
     et seq., or other applicable state or Federal laws, rules, or regulations
     adopted pursuant to any of the foregoing. The terms "hazardous waste" aid
     "hazardous substance" shall also include, without limitation, petroleum and
     petroleum by-products or any fraction thereof and asbestos. The
     representations and warranties contained herein are based on Grantor's due
     diligence in investigating the Collateral for hazardous wastes and
     substances. Grantor hereby (a) releases and waives any future claims
     against Lender for indemnity or contribution in the event Grantor becomes
     liable for cleanup or other costs under any such laws, and (b) agrees to
     indemnify and hold harmless Lender against any and all claims and losses
     resulting from a breach of this provision of this Agreement. This
     obligation to indemnify shall survive the payment of the Indebtedness and
     the satisfaction of this Agreement.

     MAINTENANCE OF CASUALTY INSURANCE. Grantor shall procure and maintain all
     risks insurance, including without limitation fire, theft and liability
     coverage together with such other insurance as Lender may require with
     respect to the Collateral, in form, amounts, coverages and basis reasonably
     acceptable to Lender and issued by a company or companies reasonably
     acceptable to Lender. Grantor, upon request of Lender, will deliver to
     Lender from time to time the policies or certificates of insurance in form
     satisfactory to Lender, including stipulations that coverages will not be
     cancelled or diminished without at least ten (10) days' prior written
     notice to Lender arid not including any disclaimer of the insurer's
     liability for failure to give such a notice. Each insurance policy also
     shall include an endorsement providing that coverage in favor of Lender
     will not be impaired in any way by any act, omission or default of Grantor
     or any other person. In connection with all policies covering assets in
     which Lender holds or is offered a security interest, Grantor will provide
     Lender with such loss payable or other endorsements as Lender may require.
     If Grantor at any time fails to obtain or maintain any insurance as
     required under this Agreement, Lender may (but shall not be obligated to)
     obtain such insurance as Lender deems appropriate, including if it so
     chooses "single interest insurance," which will cover only Lender's
     interest in the Collateral.

     APPLICATION OF INSURANCE PROCEEDS. Grantor shall promptly notify Lender of
     any loss or damage to the Collateral. Lender may make proof of loss if
     Grantor fails to do so within fifteen (15) days of the casualty. All
     proceeds of any insurance on the Collateral, including accrued proceeds
     thereon, shall be held by Lender as part of the Collateral. If Lender
     consents to repair or replacement of the damaged or destroyed Collateral,
     Lender shall, upon satisfactory proof of expenditure, pay or reimburse
     Grantor from the proceeds for the reasonable cost of repair or restoration.
     If Lender does not consent to repair or replacement of the Collateral,
     Lender shall retain a sufficient amount of the proceeds to pay all of the
     Indebtedness, and shall pay the balance to Grantor. Any proceeds which have
     not been disbursed within six (6) months after their receipt and which
     Grantor has not committed to the repair or restoration of the Collateral
     shall be used to prepay the Indebtedness.

     INSURANCE RESERVES. Lender may require Grantor to maintain with Lender
     reserves for payment of insurance premiums, which reserves shall be created
     by monthly payments from Grantor of a sum estimated by Lender to be
     sufficient to produce, at least fifteen (15) days before the premium due
     date, amounts at least equal to the insurance premiums to be paid. If
     fifteen (15) days before payment is due, the reserve funds are
     insufficient, Grantor shall upon demand pay any deficiency to Lender. The
     reserve funds shall be held by Lender as a general deposit and shall
     constitute a non-interest-bearing account which Lender may satisfy by
     payment of the insurance premiums required to be paid by Grantor as they
     become due. Lender does not hold the reserve funds in trust for Grantor,
     and Lender is not the agent of Grantor for payment of the insurance
     premiums required to be paid by Grantor. The responsibility for the payment
     of premiums shall remain Grantor's sole responsibility.

     INSURANCE REPORTS. Grantor, upon request of Lender, shall furnish to Lender
     reports on each existing policy of insurance showing such information as
     Lender may reasonably request including the following: (a) the name of the
     insurer; (b) the risks insured; (c) the amount of the policy; (d) the
     property insured; (e) the then current value on the basis of which
     insurance has been obtained and the manner of determining that value; and
     (f) the expiration date of the policy. In addition, Grantor shall upon
     request by Lender (however not more often than annually) have an
     independent appraiser satisfactory to Lender determine, as applicable, the
     cash value or replacement cost of the Collateral.

GRANTOR'S RIGHT TO POSSESSION. Until default, Grantor may have possession of the
tangible personal property and beneficial use of all the Collateral and may use
it in any lawful manner not inconsistent with this Agreement or the Related
Documents, provided that Grantor's right to possession and beneficial use shall
not apply to any Collateral where possession of the Collateral by Lender is
required by law to perfect Lender's security interest in such Collateral. If
Lender at any time has possession of any Collateral, whether before or after an
Event of Default, Lender shall be deemed to have exercised reasonable care in
the custody and preservation of the Collateral if Lender takes such action for
that purpose as Grantor shall request or as Lender, in Lender's sole discretion,
shall deem appropriate under the circumstances, but failure to honor any request
by Grantor shall not of itself be deemed to be a failure to exercise reasonable
care. Lender shall not be required to take any steps necessary to preserve any
rights in the Collateral against prior parties, nor to protect, preserve or
maintain any security interest given to secure the Indebtedness.

EXPENDITURES BY LENDER. If not discharged or paid when due, Lender may (but
shall not be obligated to) discharge or pay any amounts required to be
discharged or paid by Grantor under this Agreement, including without limitation
ail taxes, liens, security interests, encumbrances, and other claims, at any
time levied or placed on the Collateral. Lender also may (but shall not be
obligated to) pay all costs for insuring, maintaining and preserving the
Collateral. All such expenditures incurred or paid by lender for such purposes
will then bear interest at the rate charged under the Note from the date
incurred or paid by Lender to the date of repayment by Grantor. All such
expenses shall become a part of the Indebtedness and, at Lender's option, will
(a) be payable on demand, (b) be added to the balance of the Note and be
apportioned among and be payable with any installment payments to become due
during either (i) the term of any applicable insurance policy or (ii) the
remaining term of the Note, or (c) be treated as a balloon payment which will be
due and payable at the Note's maturity. This Agreement also will secure payment
of these amounts. Such right shall be in addition to all other rights and
remedies to which Lender may be entitled upon the occurrence of an Event of
Default.

EVENTS OF DEFAULT. Each of the following shall constitute an Event of Default
under this Agreement:

     DEFAULT ON INDEBTEDNESS. Failure of Grantor to make any payment when due on
     the Indebtedness.

     OTHER DEFAULTS. Failure of Grantor to comply with or to perform any other
     term, obligation, covenant or condition contained in this Agreement or in
     any of the Related Documents or in any other agreement between Lender and
     Grantor.

     FALSE STATEMENTS. Any warranty, representation or statement made or
     furnished to Lender by or on behalf of Grantor under this Agreement, the
     Note or the Related Documents is false or misleading in any material
     respect, either now or at the time made or furnished.

     DEFECTIVE COLLATERALIZATION. This Agreement or any of the Related Documents
     ceases to be in full force and effect (including failure of any collateral
     documents to create a valid and perfected security interest or lien) at any
     time and for any reason.

     INSOLVENCY. The dissolution or termination of Grantor's existence as a
     going business, the insolvency of Grantor, the appointment of a receiver
     for any part of Grantor's property, any assignment for the benefit of
     creditors, any type of creditor workout, or the commencement of any
     proceeding under any bankruptcy or insolvency laws by or against Grantor.

     CREDITOR OR FORFEITURE PROCEEDINGS. Commencement of foreclosure or
     forfeiture proceedings, whether by judicial proceeding, self-help,
     repossession or any other method, by any creditor of Grantor or by any
     governmental agency against the Collateral or any other collateral securing
     the Indebtedness. This includes a garnishment of any of Grantor's deposit
     accounts with Lender.

     EVENTS AFFECTING GUARANTOR. Any of the preceding events occurs with respect
     to any Guarantor of any of the Indebtedness or such Guarantor dies or
     becomes incompetent.

     ADVERSE CHANGE. A material adverse change occurs in Grantor's financial
     condition, or Lender believes the prospect of payment or performance of the
     Indebtedness is impaired.

     INSECURITY. Lender, in good faith, deems itself insecure.

RIGHTS AND REMEDIES ON DEFAULT. If an Event of Default occurs under this
Agreement, at any time thereafter, Lender shall have all the rights of a secured
party under the Arkansas Uniform Commercial Code. In addition and without
limitation, Lender may exercise any one or more of the following rights and
remedies:

     ACCELERATE INDEBTEDNESS. Lender may declare the entire Indebtedness,
     including any prepayment penalty which Grantor would be required to pay,
     immediately due and payable, without notice.

     ASSEMBLE COLLATERAL. Lender may require Grantor to deliver to Lender all or
     any portion of the Collateral and any and all certificates of title and
     other documents relating to the Collateral. Lender may require Grantor to
     assemble the Collateral and make it available to Lender at a place to be
     designated by Lender. Lender also shall have full power to enter upon the
     property of Grantor to take possession of and remove the Collateral. If the
     Collateral contains other goods not covered by this Agreement at the time
     of repossession, Grantor agrees Lender may take such other goods, provided
     that Lender makes reasonable efforts to return them to Grantor after
     repossession.

     SELL THE COLLATERAL. Lender shall have full power to sell, lease, transfer,
     or otherwise deal with the Collateral or proceeds thereof in its own name
     or that of Grantor. Lender may sell the Collateral at public auction or
     private sale. Unless the Collateral threatens to decline speedily in value
     or is of a type customarily sold on a recognized market, Lender will give
     Grantor reasonable notice of the time after which any private sale or any
     other intended disposition of the Collateral is to be made. The
     requirements of reasonable notice shall be met if such notice is given at
     least ten (10) days before the time of the sale or disposition. All
     expenses relating to the disposition of the Collateral, including without
     limitation the expenses of retaking, holding, insuring, preparing for sale
     and selling the Collateral, shall become a part of the Indebtedness secured
     by this Agreement and shall be payable on demand, with interest at the Note
     rate from date of expenditure until repaid.

     APPOINT RECEIVER. To the extent permitted by applicable law, Lender shall
     have the following rights and remedies regarding the appointment of a
     receiver: (a) Lender may have a receiver appointed as a matter of right,
     (b) the receiver may be an employee of Lender and may serve without bond,
     and (c) all fees of the receiver and his or her attorney shall become part
     of the Indebtedness secured by this Agreement and shall be payable on
     demand, with interest at the Note rate from date of expenditure until
     repaid.

     COLLECT REVENUES. Apply Accounts. Lender, either itself or through a
     receiver, may collect the payments, rents, income, and revenues from the
     Collateral. Lender may at any time in its discretion transfer any
     Collateral into its own name or that of its nominee and receive the
     payments, rents, income, and revenues therefrom and hold the same as
     security for the Indebtedness or apply it to payment of the Indebtedness in
     such order of preference as Lender may determine. Insofar as the Collateral
     consists of accounts, general intangibles, insurance policies, instruments,
     chattel paper, choses in action, or similar property, Lender may demand,
     collect, receipt for, settle, compromise, adjust, sue for, foreclose, or
     realize on the Collateral as Lender may determine, whether or not
     Indebtedness or Collateral is then due. For these purposes, Lender may, on
     behalf of and in the name of Grantor, receive, open and dispose of mail
     addressed to Grantor; change any address to

<PAGE>

     which mail and payments are to be sent; and endorse notes, checks, drafts,
     money orders, documents of title, instruments and items pertaining to
     payment, shipment, or storage of any Collateral. To facilitate collection,
     Lender may notify account debtors and obligors on any Collateral to make
     payments directly to Lender.

     OBTAIN DEFICIENCY. If Lender chooses to sell any or all of the Collateral,
     Lender may obtain a judgment against Grantor for any deficiency remaining
     on the Indebtedness due to Lender after application of alt amounts received
     from the exercise of the rights provided in this Agreement. Grantor shall
     be liable for a deficiency even if the transaction described in this
     subsection is a sale of accounts or chattel paper.

     OTHER RIGHTS AND REMEDIES. Lender shall have all the rights and remedies of
     a secured creditor under the provisions of the Uniform Commercial Code, as
     may be amended from time to time. In addition, Lender shall have and may
     exercise any or all other rights and remedies it may have available at law,
     in equity, or otherwise.

     CUMULATIVE REMEDIES. All of Lender's rights and remedies, whether evidenced
     by this Agreement or the Related Documents or by any other writing, shall
     be cumulative and may be exercised singularly or concurrently. Election by
     Lender to pursue any remedy shall not exclude pursuit of any other remedy,
     and an election to make expenditures or to take action to perform an
     obligation of Grantor under this Agreement, after Grantor's failure to
     perform, shall not affect Lender's right to declare a default and to
     exercise its remedies.

MISCELLANEOUS PROVISIONS. The following miscellaneous provisions are a part of
this Agreement:

     AMENDMENTS. This Agreement, together with any Related Documents,
     constitutes the entire understanding and agreement of the parties as to the
     matters set forth in this Agreement. No alteration of or amendment to this
     Agreement shall be effective unless given in writing and signed by the
     party or parties sought to be charged or bound by the alteration or
     amendment.

     APPLICABLE LAW. This Agreement has been delivered to Lender and accepted by
     Lender in the State of Arkansas. If there is a lawsuit, Grantor agrees upon
     Lender's request to submit to the jurisdiction of the courts of the State
     of Arkansas. Lender and Grantor hereby waive the right to any jury trial in
     any action, proceeding, or counterclaim brought by either lender or Grantor
     against the other. Subject to the provisions on arbitration, this Agreement
     shall be governed by and construed in accordance with the laws of the State
     of Arkansas.

     ARBITRATION. LENDER AND GRANTOR AGREE THAT ALL DISPUTES, CLAIMS AND
     CONTROVERSIES BETWEEN THEM, WHETHER INDIVIDUAL, JOINT, OR CLASS IN NATURE,
     ARISING FROM THIS AGREEMENT OR OTHERWISE, INCLUDING WITHOUT LIMITATION
     CONTRACT AND TORT DISPUTES, SHALL BE ARBITRATED PURSUANT TO THE RULES OF
     THE AMERICAN ARBITRATION ASSOCIATION, UPON REQUEST OF EITHER PARTY. No act
     to take or dispose of any Collateral shall constitute a waiver of this
     arbitration agreement or be prohibited by this arbitration agreement. This
     includes, without limitation, obtaining injunctive relief or a temporary
     restraining order; invoking a power of sale under any deed of trust or
     mortgage; obtaining a writ of attachment or imposition of a receiver; or
     exercising any rights relating to personal property, including taking or
     disposing of such property with or without judicial process pursuant to
     Article 9 of the Uniform Commercial Code. Any disputes, claims, or
     controversies concerning the lawfulness or reasonableness of any act, or
     exercise of any right, concerning any Collateral, including any claim to
     rescind, reform, or otherwise modify any agreement relating to the
     Collateral, shall also be arbitrated, provided however that no arbitrator
     shall have the right or the power to enjoin or restrain any act of any
     party. Judgment upon any award rendered by any arbitrator may be entered in
     any court having jurisdiction. Nothing in this Agreement shall preclude any
     party from seeking equitable relief from a court of competent jurisdiction.
     The statute of limitations, estoppel, waiver, laches, and similar doctrines
     which would otherwise be applicable in an action brought by a party shall
     be applicable in any arbitration proceeding, and the commencement of an
     arbitration proceeding shall be deemed the commencement of an action for
     these purposes. The Federal Arbitration Act shall apply to the
     construction, interpretation, and enforcement of this arbitration
     provision.

     ATTORNEYS' FEES; EXPENSES. Grantor agrees to pay upon demand all of
     Lender's costs and expenses, including reasonable attorneys' fees and
     Lender's legal expenses, Incurred in connection with the enforcement of
     this Agreement. Lender may pay someone else to help enforce this Agreement,
     and Grantor shall pay the costs and expenses of such enforcement. Costs and
     expenses include Lender's reasonable attorneys' fees and legal expenses
     whether or not there is a lawsuit, including reasonable attorneys' fees and
     legal expenses for bankruptcy proceedings (and including efforts to modify
     or vacate any automatic stay or injunction), appeals, and any anticipated
     past-judgment collection services. Grantor also shall pay all court costs
     and such additional fees as may be directed by the court.

     CAPTION HEADINGS. Caption headings in this Agreement are for convenience
     purposes only and are not to be used to interpret or define the provisions
     of this Agreement.

     NOTICES. All notices required to be given under this Agreement shall be
     given in writing, may be sent by telefacsimile (unless otherwise required
     by law), and shall be effective when actually delivered or when deposited
     with a nationally recognized overnight courier or deposited in the United
     States mail, first class, postage prepaid, addressed to the party to whom
     the notice is to be given at the address shown above. Any party may change
     its address for notices under this Agreement by giving formal written
     notice to the other parties, specifying that the purpose of the notice is
     to change the party's address. To the extent permitted by applicable law,
     if there is more than one Grantor, notice to any Grantor will constitute
     notice to all Grantors. For notice purposes, Grantor will keep Lender
     informed at all times of Grantor's current address(es).

     POWER OF ATTORNEY. Grantor hereby appoints Lender as its true and lawful
     attorney-in-fact, irrevocably, with full power of substitution to do the
     following: (a) to demand, collect, receive, receipt for, sue and recover
     all sums of money or other property which may now or hereafter became due,
     owing or payable from the Collateral; (b) to execute, sign and endorse any
     and all claims, instruments, receipts, checks, drafts or warrants issued in
     payment for the Collateral; (c) to settle or compromise any and all claims
     arising under the Collateral, and, in the place and stead of Grantor, to
     execute and deliver its release and settlement for the claim; and (d) to
     file any claim or claims or to take any action or institute or take part in
     any proceedings, either in its own name or in the name of Grantor, or
     otherwise, which in the discretion of Lender may seem to be necessary or
     advisable. This power is given as security for the Indebtedness, and the
     authority hereby conferred is and shall be irrevocable and shall remain in
     full force and effect until renounced by Lender.

     SEVERABILITY. If a court of competent jurisdiction finds any provision of
     this Agreement to be invalid or unenforceable as to any person or
     circumstance, such finding shall not render that provision invalid or
     unenforceable as to any other persons or circumstances. If feasible, any
     such offending provision shall be deemed to be modified to be within the
     limits of enforceability or validity; however, if the offending provision
     cannot be so modified, it shall be stricken and all other provisions of
     this Agreement in all other respects shall remain valid and enforceable.

     SUCCESSOR INTERESTS. Subject to the limitations set forth above on transfer
     of the Collateral, this Agreement shall be binding upon and inure to the
     benefit of the parties, their successors and assigns.

     WAIVER. Lender shall not be deemed to have waived any rights under this
     Agreement unless such waiver is given in writing and signed by Lender. No
     delay or omission on the part of Lender in exercising any right shall
     operate as a waiver of such right or any other right. A waiver by Lender of
     a provision of this Agreement shall not prejudice or constitute a waiver of
     Lender's right otherwise to demand strict compliance with that provision or
     any other provision of this Agreement. No prior waiver by Lender, nor any
     course of dealing between Lender and Grantor, shall constitute a waiver of
     any of Lender's rights or of any of Grantor's obligations as to any future
     transactions. Whenever the consent of Lender is required under this
     Agreement, the granting of such consent by Lender in any instance shall not
     constitute continuing consent to subsequent instances where such consent is
     required and in all cases such consent may be granted or withheld in the
     sole discretion of Lender.

     GRANTOR ACKNOWLEDGES HAVING READ ALL THE PROVISIONS OF THIS COMMERCIAL
     SECURITY AGREEMENT, AND GRANTOR AGREES TO ITS TERMS. THIS AGREEMENT IS
     DATED DECEMBER 28, 2000.

     GRANTOR:

     GTS / HDD, INC.

     By:                            (SEAL)
         ---------------------------
         BONNIE L CAPWELL, SECRETARY/TREASURER<PAGE>

                                  REGIONS BANK
                                 PROMISSORY NOTE

<TABLE>
<CAPTION>
 -----------------------------------------------------------------------------------------------------------------------------------
   PRINCIPAL      LOAN DATE      MATURITY       LOAN NO          CAL       COLLATERAL      ACCOUNT        OFFICER       INITIALS
<S>               <C>           <C>             <C>              <C>          <C>          <C>             <C>        <C>
  $116,235.00     03-13-2001    03-13-2004      0006057          590          4430         1272284         2331
 -----------------------------------------------------------------------------------------------------------------------------------
         References in the shaded area are for Lender's use only and do not limit the applicability of this document to any
         particular loan or item.
 -----------------------------------------------------------------------------------------------------------------------------------
 Borrower:      BORROWER:  MIDWEST CABLE COMMUNICATIONS OF       Lender:   REGIONS BANK
                ARKANSAS INC. (TIN:  710719053)                            ROGERS MAIN OFFICE
                7125 MCQUIRE ROAD                                          500 WEST WALNUT
                FAYETTEVILLE, AR 72704-5237                                ROGERS, AR  72576
 ===================================================================================================================================

 PRINCIPAL AMOUNT: $116,235.00                            INTEREST RATE: 9.125%                       DATE OF NOTE:  MARCH 13, 2001
</TABLE>

PROMISE TO PAY. MIDWEST CABLE COMMUNICATIONS OF ARKANSAS INC. ("BORROWER")
PROMISES TO PAY TO REGIONS BANK ("LENDER"), OR ORDER, IN LAWFUL MONEY OF THE
UNITED STATES OF AMERICA, THE PRINCIPAL AMOUNT OF ONE HUNDRED SIXTEEN THOUSAND
TWO HUNDRED THIRTY FIVE & 00/100 DOLLARS ($116.235.00), TOGETHER WITH INTEREST
AT THE RATE OF 9.125% PER ANNUM ON THE UNPAID PRINCIPAL BALANCE FROM MARCH 13,
2001, UNTIL PAID IN FULL.

PAYMENT. BORROWER WILL PAY THIS LOAN ON DEMAND, OR IF NO DEMAND IS MADE, IN 35
PAYMENTS OF $3.703.97 EACH PAYMENT AND AN IRREGULAR LAST PAYMENT ESTIMATED AT
$3.703.98. BORROWER'S FIRST PAYMENT IS DUE APRIL 13, 2001, AND ALL SUBSEQUENT
PAYMENTS ARE DUE ON THE SAME DAY OF EACH MONTH AFTER THAT. BORROWER'S FINAL
PAYMENT WILL BE DUE ON MARCH 13. 2004, AND WILL BE FOR ALL PRINCIPAL AND ALL
ACCRUED INTEREST NOT YET PAID. PAYMENTS INCLUDE PRINCIPAL AND INTEREST. Interest
on this Note is computed on a 365/365 simple interest basis; that is, by
applying the ratio of the annual interest rate over the number of days in a year
(366 during leap years), multiplied by the outstanding principal balance,
multiplied by the actual number of days the principal balance is outstanding.
Borrower will pay Lender at Lender's address shown above or at such other place
as Lender may designate in writing. Unless otherwise agreed or required by
applicable law, payments will be applied first to accrued unpaid interest, then
to principal, and any remaining amount to any unpaid collection costs and late
charges.

PREPAYMENT. Borrower may pay all or a portion of the amount owed earlier than it
is due. Early payments will not, unless agreed to by lender in writing, relieve
Borrower of Borrower's obligation to continue to make payments under the payment
schedule. Rather, they will reduce the principal balance due and may result in
Borrower making fewer payments.

LATE CHARGE. If a payment is 10 days or more late, Borrower will be charged
$25.00.

DEFAULT. Borrower will be in default if any of the following happens: (a)
Borrower fails to make any payment when due. (b) Borrower breaks any promise
Borrower has made to Lender, or Borrower fails to comply with or to perform when
due any other term, obligation, covenant, or condition contained in this Note or
any agreement related to this Note, or in any other agreement or loan Borrower
has with Lender. (c) Borrower defaults under any loan, extension of credit,
security agreement, purchase or sales agreement, or any other agreement, in
favor of any other creditor or person that may materially affect any of
Borrower's property or Borrower's ability to repay this Note or perform
Borrower's obligations under this Note or any of the Related Documents. (d) Any
representation or statement made or furnished to Lender by Borrower or on
Borrower's behalf is false or misleading in any material respect either now or
at the time made or furnished. (e) Borrower becomes insolvent, a receiver is
appointed for any part of Borrower's property, Borrower makes an assignment for
the benefit of creditors, or any proceeding is commenced either by Borrower or
against Borrower under any bankruptcy or insolvency laws. (f) Any creditor tries
to take any of Borrower's property on or in which Lender has a lien or security
interest. This includes a garnishment of any of Borrower's accounts with Lender.
(g) Any guarantor dies or any of the other events described in this default
section occurs with respect to any guarantor of this Note. (h) A material
adverse change occurs in Borrower's financial condition, or Lender believes the
prospect of payment or performance of the Indebtedness is impaired. (i) Lender
in good faith deems itself insecure.

LENDER'S RIGHTS. Upon default, Lender may declare the entire unpaid principal
balance on this Note and all accrued unpaid interest immediately due, without
notice, and then Borrower will pay that amount. Lender may hire or pay someone
else to help collect this Note if Borrower does not pay. Borrower also will pay
Lender that amount. This includes, subject to any limits under applicable law,
Lender's reasonable attorneys' tees and Lender's legal expenses whether or not
there is a lawsuit, including reasonable attorneys' fees and legal expenses for
bankruptcy proceedings (including efforts to modify or vacate any automatic stay
or injunction appeals, and any anticipated post-judgment collection services.
However, in all events, such attorneys' fees must be reasonable, must not exceed
ten percent (10 %) I of the amount of the principal due plus accrued interest,
and must be for services actually rendered. It not prohibited by applicable law,
Borrower also will pay any court costs, in addition to all other sums provided
by law. THIS NOTE HAS BEEN DELIVERED TO LENDER AND ACCEPTED BY LENDER IN THE
STATE OF ARKANSAS. IT THERE IS A LAWSUIT, BORROWER AGREES UPON LENDER'S REQUEST
TO SUBMIT TO THE JURISDICTION OF THE COURTS OF BENTON COUNTY, THE STATE OF
ARKANSAS. LENDER AND BORROWER HEREBY WAIVE THE RIGHT TO ANY JURY/TRIAL IN ANY
ACTION, PROCEEDING, OR COUNTERCLAIM BROUGHT BY EITHER LENDER OR BORROWER AGAINST
THE OTHER. SUBJECT TO THE PROVISIONS ON ARBITRATION, THIS NOTE SHALL BE GOVERNED
BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF ARKANSAS.

RIGHT OF SETOFF. Borrower grants to Lender a contractual security interest in,
and hereby assigns, conveys, delivers, pledges, and transfers to Lender all
Borrower's right, title and interest in and to, Borrower's accounts with Lender
(whether checking, savings, or some other account), including without limitation
all accounts held jointly with someone else and all accounts Borrower may open
in the future, excluding however all IRA and Keogh accounts, and all trust
accounts for which the grant of a security interest would be prohibited by law.
Borrower authorizes Lender, to the extent permitted by applicable law, to charge
or setoff all sums owing on this Note against any and all such accounts, and, at
Lender's option, to administratively freeze all such accounts to allow Lender to
protect Lender's charge and setoff rights provided on this paragraph.

COLLATERAL. This Note is secured by 2000 Vermeer 16 X 20A Boring Machine, ST 500
Mixing System Vermeer SIN 0338, FSL 1828 Redihaul Trailer SIN
475551827LWLW1013664, 660 Firestick Drill Rod, Radio Detection Locator Remotes
and 2 Sondes, 6" Fluted Reamer, 8" Fluted Reamer, 1 20,000 Pound Swivel, 1
Terrain Mapping Lazer Handheld Computer including all parts, additions,
accessions, attachments, substitutions and replacements thereof.

ARBITRATION. Lender and Borrower agree that ail disputes, claims and
controversies between them, whether individual, joint, or class in nature,
arising from this Note or otherwise, including without limitation contract and
tort disputes, shall be arbitrated pursuant to the Rules OF THE AMERICAN
ARBITRATION ASSOCIATION, UPON REQUEST OF EITHER PARTY. No act to take or dispose
of any collateral securing this Note shall constitute a waiver of this
arbitration agreement or be prohibited by this arbitration agreement. This
includes, without limitation, obtaining injunctive relief or a temporary
restraining order; invoking a power of sale under any deed of trust or mortgage;
obtaining a writ of attachment or imposition of a receiver; or exercising any
rights relating to personal property, including taking or disposing of such
property with or without judicial process pursuant to Article 9 of the Uniform

<PAGE>

03-13-2001                     PROMISSORY NOTE                           PAGE 2
LOAN NO 0006057                   (CONTINUED)

Commercial Code. Any disputes, claims, or controversies concerning the
lawfulness or reasonableness of any act, or exercise of any right, concerning
any collateral securing this Note, including any claim to rescind, reform, or
otherwise modify any agreement relating to the collateral securing this Note,
shall also be arbitrated, provided however that no arbitrator shall have the
right or the power to enjoin or restrain any act of any party. Judgment upon any
award rendered by any arbitrator may be entered in any court having
jurisdiction. Nothing in this Note shall preclude any, party from seeking
equitable relief from a court of competent jurisdiction. The statute of
limitations, estoppel, waiver, laches, and similar doctrines which would
otherwise be applicable in an action brought by a party shall be applicable in
any arbitration proceeding, and the commencement of an arbitration proceeding
shall be deemed the commencement of an action for these purposes. The Federal
Arbitration Act shall apply to the construction, interpretation, and enforcement
of this arbitration provision.

YEAR 2000 WARRANTY. Borrower warrants and represents that Borrower has (i)
undertaken a detailed inventory, review, and assessment of all areas within its
business and operations that could be adversely affected by the failure of
Borrower to be Year 2000 complaint on a timely basis, (ii) developed a detailed
plan and timeline for becoming Year 2000 compliant on a timely basis, (iii)
implemented and mil continue to implement that plan in accordance with the
timeline in all material respects, and (iv) evaluated and will continue to
evaluate, by written inquiry each of its key suppliers, vendors, and customers
as to whether such persons will, on a timely basis, be Year 2000 compliant. All
hardware, software and equipment utilized by Borrower in conduct of its business
("System") will record, store, process, and present calendar dates falling on or
after January 1, 2000, and all information pertaining to such calendar dates, in
the same manner and with the same functionality as the System does respecting
calendar dates falling before December 31, 1999. Further, Borrower warrants and
represents that the System has or shall have all appropriate century-aware, or
year 2000 compliant data. Borrower also warrants and represents that the
data-related user interface functions, data-fields, and data-related program
instructions and functions of the System include or shall include the indication
of the century.

ADDITIONAL GOVERNING LAW PROVISION RELATING TO INTEREST. NOTWITHSTANDING
ANYTHING TO THE CONTRARY HEREIN, INTEREST TO BE CHARGED BY LENDER SHALL BE
GOVERNED BY FEDERAL LAW AND THE LAW OF THE STATE OF ALABAMA. THIS LOAN (OR
CREDIT LINE, AS APPLICABLE) HAS BEEN APPROVED IN THE STATE OF ALABAMA OR IN
ACCORDANCE WITH STANDARDS DEVELOPED IN THE STATE OF ALABAMA.

GENERAL PROVISIONS. This Note is payable on demand. The inclusion of specific
default provisions or rights of Lender shall not preclude Lender's right to
declare payment of this Note on its demand. Lender may delay or forgo enforcing
any of its rights or remedies under this Note without losing them. Borrower and
any other person who signs, guarantees or endorses this Note, to the extent
allowed by law, waive presentment, demand for payment, protest and notice of
dishonor. Upon any change in the terms of this Note, and unless otherwise
expressly stated in writing, no party who signs this Note, whether as maker,
guarantor, accommodation maker or endorser, shall be released from liability.
All such parties agree that Lender may renew or extend (repeatedly and for any
length of time) this loan, or release any party or guarantor or collateral; or
impair, tail to realize upon or perfect Lender's security interest in the
collateral; and take any other action deemed necessary by Lender without the
consent of or notice to anyone. All such parties also agree that Lender may
modify this loan without the consent of or notice to anyone other than the party
with whom the modification is made.

PRIOR TO SIGNING THIS NOTE, BORROWER READ AND UNDERSTOOD ALL THE PROVISIONS OF
THIS NOTE. BORROWER AGREES TO THE TERMS OF THE NOTE AND ACKNOWLEDGES RECEIPT OF
A COMPLETED COPY OF THE NOTE.

BORROWER:
MIDWEST CABLE COMMUNICATIONS OF ARKANSAS INC.

By: COPY                     (SEAL)
   ----------------------
    O. LEE CAPWELL, VICE PRESIDENT

================================================================================
 Fixed Rate. Installment.

 LASER PRO, Reg. U.S. Pat. & T.M. Off., Vet. 3.29a ICI Concentrax 2001All rights
                                     reserved. [AR-D20 E3.29 0006057.LN C5.OVL1]

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