CME                                         CME & Company
                                            A partnership of:
                                            C.M. Exploration International Ltd.
                                            C.M. (Exploration) Ltd.





                                                                    May 3, 2000

Columbia River Resources Inc.
#304-856 Homer Street
Vancouver, BC
Canada V6B 2W5


ATTN.:   MR. ROBERT FERGUSON
         PRESIDENT


RE:  CONTRACT FOR PROFESSIONAL SERVICES - NIGERIA EVALUATION PHASE II


Further to discussions  between Columbia River Resources Inc. and CME & Company,
the  following  outlines  our  proposal  for the  terms and  conditions  for the
services to be rendered by CME in Nigeria.

The parties to this agreement are:

                           Columbia River Resources Inc.
                           #304-856 Homer Street
                           Vancouver, BC
                           Canada V6B 2W5
                           hereinafter referred to as "CRVV"

         and
                           CME & Company
                           104-106 Kings Road, Brentwood, Essex, UK CM14 4EA
                           hereinafter referred to as "CME."



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   P.O. Box 199 Victory Houts, Le Truchot, St. Peter Port, Guernsey, GY1 4JQ,
                                Channel Islands
             Telephone (441 481) 723372 Facsimile (441 481) 771354





1.   SERVICES

REGIONAL EVALUATION
Geological  mapping and rock sampling will be designed to cover the SW,  Central
and NE parts of Nigeria.  Minerals of interest  include  Tantalum and other rare
metals.  In the SW regional  two gold  properties  will be visited.  Maping will
include detailed rock descriptions and structural measurements.

An estimated 500 rock, 200 soil and 50 silt samples will be taken.

DETAIL EVALUATION
Three areas from the Phase I Evaluation Program will be followed up with further
studies. They include the Angwan Mallan,  Tattara and the Nawa pegmatite fields.
Follow up work will include  geological  mapping,  rock  sampling,  prospecting,
trenching and trench sampling.

Promising areas found during the regional evaluation will be followed up with
trenching and trench sampling.

An extimated 700 metres of trenching will be excavated and 700 rock and trench
samples will be taken.

2.   REPORTING

CME shall provide CRVV with the following reports:
     1)   A monthly  report by fax or e-mail  comprising  a detailed  summary of
          progress and results in regard to work completed, and
     2)   A final technical  report  detailing the work completed and results of
          the program. The completion of the report is contingent upon receiving
          all analytical results from the proposed work program. The report will
          be  delivered  to CRVV no later than 45 days from  receiving  the last
          batch of analytical results.

A total of seven  copies of the final  technical  report will be  created.  Four
copies of the report will be  provided to CRVV and three  copies will be kept on
file with CME,  all in  hardcopy  and digital  format.  Any  additional  reports
requested by CRVV will be charged at cost plus 15%.

3.   PROJECT MANAGEMENT PROVISIONS

CME shall  provide all necessary personnel, equipment, materials and services to
carry out the proposed work program.

CME will prepare  terms of reference  and/or tender  documents  for  subcontract
services, as required, and solicit bids from qualified suppliers.  The selection
will be on the basis of the lowest qualified




bidder,  and the  selection  will be  approved  by CME and  signed  between  the
approved bidder and CME.

Upon the scope of services,  budget and schedule  having been agreed to by CRVV,
CME shall  execute the  necessary  exploration  tasks for the  completion of the
project and assume full control of, and responsibility for, this execution.

CRVV  shall appoint  a client representative whom CME shall report to. CME shall
keep the representative  informed as to the progress of the project and refer to
the representative when there are:
     a)  changes in scope, and
     b)  significant changes which will effect the cost

4.   CHARGES

Billings  for the work carried  out will be based on actual time spent and costs
incurred, in accordance with the terms and conditions set out in this agreement.

CRVV agrees to pay CME for the work performed at the following contract rates:

         SERVICES OF CME PERSONNEL                       US$
         -------------------------                       ---
         Consultant I                                $750 per day
         Consultant II                               $600 per day
         Project Manager                             $500 per day
         Senior Geologist                            $450 per day
         Geologist                                   $350 per day
         Field Supervisor                            $300 per day

         Vehicle                                     $150 per day
         Computer                                    $25 per day
         Subcontractor                               cost plus 15%

CRVV also agrees to reimburse CME for  all costs(1) incurred in  connection with
this project and to pay an administration fee of 15% of such costs.

All  prices  in  this  proposal  are  quoted  without  taxes,  environmental  or
exploration  fees.  It is agreed  that CRVV will be  responsible  for such taxes
and/or fees that may arise out of the execution of the proposed work program.


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1 Cost of any of CME's service providers (including, but not limited to, long
distance telephone, long distance facsimile, travel and laboratory services)
will be charged according to the cost charged CME without any credit CME may
have received from time to time by reason of the volume of CME's overall
business with its service providers





5.   BUDGET

        ITEM                           COST (US$)

    Personnel/Labour                     127,000
    Travel/Truck Rental                   64,000
    Analysis                              18,000
    Food & Accommodation                  28,300
    Communication                          1,700
    Field Supplies                         4,000
    Miscellaneous (Courier/Shipping)       4,700
    Report Costs                          11,700
    Administration                        20,000
    Contingency 7%                        20,600
    TOTAL                                300,000


The total budget for the proposed program is $300,000 which does not include any
applicable taxes.

6.   CHANGE IN SCOPE AND COST REVISIONS.

CRVV may at any time  instruct  CME to  investigate  changes in the scope of the
proposed  work program and CME shall  forthwith  prepare for CRVV's  approval an
estimate  reflecting  the cost if any, of such change,  based on the charges set
out in Section 4.


7.    GENERAL PROVISIONS

All prior agreements  (whether oral or written) between the parties with respect
to the work to be performed are superseded by this agreement.

It is mutually  agreed that this  agreement  shall be binding upon and ensure to
the benefit of the parties  hereto,  their  respective  successors and permitted
assigns,  but shall not be  assignable  by either  party  without the consent in
writing of the other party first hand and obtained.

If requested by CRVV,  CME will obtain all  necessary  work permits on behalf of
and at the  expense  of CRVV.  CRVV will be  responsible  for any  damage to the
environment incurred in the course of normal operations. CME will be responsible
where direct negligence of its crews can be demonstrated.

CME shall perform and execute all works and services  required  pursuant to this
contract in a proper,  careful and workmanlike manner. CME shall comply with all
mining and other laws,  ordinances,  rules and regulations  relating to the work
and to the preservation of the public health and safety.




CME shall at all times,  enforce strict discipline and maintain good order among
its  employees,  and shall not retain on the work any unfit person or anyone not
skilled in the work assigned to them.

CME shall be excused for failure to perform its obligations  hereunder if such a
failure is caused by war, invasion, insurrection, riot, the order or regulations
of any civil or military authority, or by strikes, lockouts, or labour disputes,
whether in or in the  neighborhood of the work site or by the failure to perform
by any supplier or subcontractor necessary for the completion of the contract.

CME  shall  be  responsible  for all  damages  arising  by  reason  of  injuries
(including  death)  sustained  by any person or by reason of damage to  property
arising out of or in relation  to work  performed  hereunder  or  equipment  and
vehicles used  hereunder,  and will indemnify CRVV against all claims arising by
reason of such injuries and damages,  excluding,  however, claims arising out of
negligent acts or omissions of CRVV, its servants or agents.

CRVV will be responsible  for the cost of removing CME employees and contractors
from the field in the event of restrictions to the site due to fire, fire azard,
flood or other Acts of God or environmental hazards which threaten the safety of
CME crews.

CRVV  agrees  that any  employee  of its company  while  visiting  the  property
outlined  above  will  not in any way be  considered  an  employee  of CME.  Any
documents,  data or maps released to an authorized representative of CRVV during
a site examination  shall be the  responsibility of CRVV in the event of loss or
damage.

It is understood that CME and its staff will not disclose any  information  with
respect to this program, except to an authorized representative of CRVV, without
the prior written consent of CRVV.

CRVV agrees not to use the name CME & Company or CME  (Ghana)  Ltd. in any form,
or the name of any of their employees in any public announcement,  press release
or public document without the prior written consent of CME.

8.   PAYMENT

CME will send invoices twice a month to CRVV.  Payment will be due on receipt of
CME invoices.  Interest will be charged on invoices more than 15 days overdue at
the rate of 2% per month.

An initial down  payment of US$50,000  will be paid by CRVV to CME on signing of
this Agreement. This down payment will be credited to the final invoice to CRVV.

9.   TERMINATION

This  contract may be terminated by either party two (2) weeks after the receipt
of  written  notification.  In the  event of  termination  by CRVV,  CME will be
reimbursed for all work performed to the date of termination in accordance  with
the terms of this contract and all costs incurred to




demobilize   crews  and  all   obligations   entered  into  with   suppliers  or
subcontractors prior to termination.

If the preceding  is acceptable  as set out, please  sign and return one copy to
CME.


Yours very truly,
                                             Accepted,
CME & Company                                Columbia River Resources Inc.
By C.M. Exploration International
General Partner


/s/ T. Gregory Hawkins                       /s/ Robert Ferguson
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T. Gregory Hawkins                           Robert Ferguson
Managing Director                            President