Document:

Exhibit 10.c

Guyana

        County of Demerara

                                   AGREEMENT

      BY THIS AGREEMENT entered into at Georgetown, Demerara, Republic of
Guyana, this 26th Day of July, 1999, BETWEEN NORTH AMERICAN RESOURCES
INCORPORATED LIMITED, a private limited-liability company incorporated and duly
continued in accordance with the Companies Acts of Guyana and its registered
office situate at Lots 88 C&D Barrack Street, Kingston, Georgetown, aforesaid,
("the Company" which term shall wheresoever the context so admits include its
assigns) of the one part AND GARFIELD POLLARD of 9 Princess Street, Lodge,
Georgetown, ("the Claim Holder" which term shall wheresoever the context so
admits include his heirs, assigns, executors and administrators) of the other
part.

      WHEREAS the Claim Holder warrants that he is the sole and absolute holder
      of the Claims more fully set out and described in the Schedule hereto
      ("the claims")

      AND WHEREAS the Claim Holder further warrants that he has full right and
      authority to enter into this agreement

      AND WHEREAS the Claim Holder is desirous of having the Company work the
      claims

      AND WHEREAS the Company has the capital, equipment, personnel and know-how
      required to work the claims

[SEAL] THE DEEDS REGISTRY - GUYANA

                                       1
<PAGE>

                   NOW THIS AGREEMENT WITNESSETH AS FOLLOWS:

                                Exclusive rights

      1.    a) The Claim Holder hereby gives the Company the sole and exclusive
            right to enter upon the Claims or any part thereof and to carry on
            such mining operations thereon as it may see fit for gold, precious
            metals, precious stones, minerals and/or things of value for the
            duration of this agreement. This sole and exclusive right is to all
            or any gold, precious metals, precious stones, minerals and/or
            things of value wheresoever situate upon or within the claims,
            whether in hard-rock, alluvial or other formations.

            b) The claim Holder hereby grants to the Company an irrevocable
            right to act as ranger and to sign privileges and production sheets
            for the claims.

                                 Consideration

2.    As consideration for this agreement, the Company shall:-

            (a)   Pay to the Claim Holder the sum of $1,500,000.00 (One Million,
                  Five Hundred thousand Dollars) of which $750,000.00 (Seven
                  Hundred and Fifty Thousand Dollars) will be paid upon
                  execution of this agreement and $750,000.00 (Seven Hundred and
                  Fifty Thousand Dollars) to be paid 14 (fourteen) days
                  thereafter.

            (b)   Bestow to the Claim Holder 35,000 (Thirty-five Thousand)
                  shares of restricted common stock South American Minerals
                  Inc., a Nevada Corporation. These shares may be sold only in
                  accordance with applicable securities laws.

[SEAL] THE DEEDS REGISTRY - GUYANA

                                       2
<PAGE>

                                    Duration

3. This agreement shall subsist for the life of the property.

                              Conduct of operations

4. The Company shall have the sole right to decide upon the carrying on of
mining operations upon the claims or any part thereof and the engagement of any
person or company therein, providing same shall be economically viable, AND all
plant, machinery and equipment shall be and remain the property of the Company,
which shall have the right to remove the said plaint, machinery and equipment at
any time without let or hindrance from the Claim Holder or anyone claiming by or
through him.

                              Ownership of Claims

5. The claims and all or any parts thereof shall remain at all times the sole
property of the Claim Holder and nothing in this agreement shall be construed as
constituting any purchase of the claims or any part thereof in any manner
whatsoever.

                            Payment of Licence Fees

6. The Company and/or the Claim Holder hereby undertakes to pay all or any Claim
rents, fees or other like obligations due to the State of Guyana from time to
time in respect of the claims or any part thereof, promptly as the same shall
fall due.

                             Maintenance of markers

7. The claim Holder shall have sole responsibility for surveying the boundaries,
keeping all demarcation marks in good condition and for clearing all lines
and/or boundaries of the claims at his expense which may be required by the Laws
of Guyana or any Regulation make pursuant thereto from time to time. The Claim
Holder hereby undertakes to have the claims verified by the Guyana Geology and
Mines Commission.

[SEAL] THE DEEDS REGISTRY - GUYANA

                                       3
<PAGE>

                              Conformity with laws

8. The Company hereby undertakes to carry on any mining operations upon the
claims or any part thereof in strict conformity with the provisions of the Laws
of Guyana, including the Mining Act, 1991, the Guyana Geology and Mines Act, and
the Environmental Protection Act, and any Regulations made pursuant thereto.

                                 Force-majeure

9. Neither party shall be liable for the non-performance of any obligation due
to the other under this agreement where such non-performance is due to any
circumstance outside of that party's control including, but not limited to
earthquake, landslide, flood, or other natural disaster, or epidemic, fire,
explosion, riot, civil-commotion, or act of war.

                                  Arbitration

10. Any dispute arising out of or related to this agreement or any term or
provision thereof shall be submitted by the parties within a reasonable time to
a single arbitrator agreeable to both parties who shall hear and adjudicate upon
the said dispute and such arbitrator's award shall be final and binding upon the
parties.

                                 Confidentiality

11. Neither party shall disclose to any third party whomsoever, any information
of whatsoever type or description relating to or concerning the affairs or
business of the other party to this agreement at any time, unless required by
law, without the permission in writing of the other party, whether during the
subsistence of this agreement or after 3 (three) years of its termination.

[SEAL] THE DEEDS REGISTRY - GUYANA

                                       4
<PAGE>

                                   Assignment

12. The Company shall have the right to assign this agreement or any part
thereof.

                                     Notice

13. Any notice required to be given to one party by the other under this
agreement shall be deemed duly given if either delivered personally by
registered post or by facsimile transmission to the herein stated address of the
party who is to receive it.

IN WITNESS WHEREOF the parties hereto have hereunder set their hands upon the
date first written in the presence of the subscribing witnesses hereto.

                                        ------------------------------------
                                        The Company

                                        ------------------------------------
                                        The Claim Holder

[SEAL] THE DEEDS REGISTRY - GUYANA

WITNESSES:

1.
  -----------------------

2.
  -----------------------

                               AND IN MY PRESENCE
                                 QUOD ATTESTOR

                                 NOTARY PUBLIC

   A TRUE COPY of the original which
was registered in the Deeds Registry at
  Georgetown, Demerara, Guyana on the
       15th day of September 1999

         ASSISTANCE SWORN CLERK
           AND NOTARY PUBLIC
                99-9-15

                                       5
<PAGE>

                               SCHEDULE OF CLAIMS

                                    AGAIN #1

                                    AGAIN #2

                                    AGAIN #3

                                    AGAIN #4

                                      BAD

[SEAL] THE DEEDS REGISTRY - GUYANA

                                       6Exhibit 10.d

Guyana

        County of Demerara

                                   AGREEMENT

      BY THIS AGREEMENT entered into at Georgetown, Demerara, Republic of
Guyana, this 25th day of March, 1999, BETWEEN NORTH AMERICAN RESOURCES
INCORPORATED LIMITED, a private limited-liability company incorporated and duly
continued in accordance with the Companies Acts of Guyana and its registered
office situate at Lots 88 C&D Barrack Street, Kingston, Georgetown, aforesaid,
("the Company" which term shall wheresoever the context so admits include its
assigns) of the one part AND EDWARD HOPKINSON of 467 Hopkinson Street, Republic
Park, East Bank Demerara, ("the Permit Holder" which term shall wheresoever the
context so admits include his heirs, assigns, executors and administrators) of
the other part.

      WHEREAS the Permit Holder warrants that he is the sole and absolute holder
      of the Prospecting/Mining Permits more fully set out and described in the
      Schedule hereto ("the permits")

      AND WHEREAS the Permit Holder further warrants that he has full right and
      authority to enter into this agreement

      AND WHEREAS the Permit Holder is desirous of having the Company work the
      permits

      AND WHEREAS the Company has the capital, equipment, personnel and know-how
      required to work the permits

                                       1
<PAGE>

                   NOW THIS AGREEMENT WITHNESSETH AS FOLLOWS:

                                Exclusive rights

1. The Permit Holder hereby gives the Company the sole and exclusive right to
enter upon the permits or any part thereof and to carry on such mining
operations thereon as it may see fit for gold, precious metals, precious stones,
minerals and/or things of value for the duration of this agreement. This sole
and exclusive right is to all or any gold, precious metals, precious stones,
minerals and/or things of value wheresoever situate upon or within the permits,
whether in hard-rock, alluvial or other formations.

                                 Consideration

2. As consideration for this agreement, the Company shall:-

            (a)   Pay to the Permit Holder the sum of US$7,500.00 (Seven
                  Thousand, Five Hundred United States Dollars) of which
                  US$5,000.00 (Five Thousand United States Dollars) will be paid
                  upon execution of this agreement and US$2,500.00 (Two
                  Thousand, Five Hundred Dollars) to be paid 30 (thirty) days
                  thereafter.

            (b)   Bestow to the Permit Holder 50,000 (Fifty Thousand)
                  shares of restricted common stock South American Minerals
                  Inc., a Nevada Corporation. These shares may be sold only in
                  accordance with applicable securities laws.

            (c)   Pay to the Holder 5% (Five Percentum) of all actual gold,
                  precious metals, precious stones, minerals and/or things of
                  value recovered from working the permits or any part thereof.
                  Should the Permit Holder elect to receive the said 5% (Five
                  Percentum) in money, the Company shall pay him 5% (Five
                  Percentum) of the gross value of the said gold, precious
                  metals, precious stones, minerals and/or things of value
                  recovered from working the permits or any part thereof.

                                       2
<PAGE>

                  Gross value shall be the actual value of the said 5% (Five
                  Percentum) of the gold, precious metals, precious stones,
                  minerals and/or things of value recovered.

                                    Duration

3. This agreement shall subsist for the life of the property.

                              Conduct of operations

4. The Company shall have the sole right to decide upon the carrying on of
mining operations upon the permits or any part thereof and the engagement of any
person or company therein, providing same shall be economically viable, AND all
plant, machinery and equipment shall be and remain the property of the Company,
which shall have the right to remove the said plaint, machinery and equipment at
any time without let or hindrance from the Permit Holder or anyone claiming by
or through him.

                              Ownership of permits

5. The permits and all or any parts thereof shall remain at all times the sole
property of the Permit Holder and nothing in this agreement shall be construed
as constituting any purchase of the permits or any part thereof in any manner
whatsoever.

                            Payment of Licence Fees

6. The Company hereby undertakes to pay all or any Prospecting/Mining Permit
rents, fees or other like obligations due to the State of Guyana from time to
time in respect of the permits or any part thereof, promptly as the same shall
fall due.

                             Maintenance of markers

7. The Company shall have sole responsibility for surveying the boundaries,
keeping all demarcation marks in good condition and for clearing all lines
and/or boundaries of the permits at his expense which may be required by the
Laws of Guyana or any Regulation made pursuant thereto from time to time.

                                       3
<PAGE>

                              Conformity with laws

8. The Company hereby undertakes to carry on any mining operations upon the
permits or any part thereof in strict conformity with the provisions of the Laws
of Guyana, including the Mining Act, 1991, the Guyana Geology and Mines Act, and
the Environmental Protection Act, and any Regulations made pursuant thereto.

                                  Verification

9. The Permit Holder shall have the right to:-

      (a)   Have his servant or agent present at the site of any mining
            operation carried on by the Company upon the permits for the
            purpose of varifying the actual amount of any gold, precious metals,
            precious stones, minerals and/or other things of value recovered
            from working the permits or any part thereof.

      (b)   be issued with copies of all documents evidencing the actual amount
            of any gold, precious metals, precious stones, minerals and/or
            things of value recovered from working the permits or any part
            thereof.

                                 Force-majeure

10. Neither party shall be liable for the non-performance of any obligation due
to the other under this agreement where such non-performance is due to any
circumstance outside of that party's control including, but not limited to
earthquake, landslide, flood, or other natural disaster, or epidemic, fire,
explosion, riot, civil-commotion, or act of war. Where such circumstances
arises, the duration of this agreement shall be extended for such period as the
said circumstances shall subsist for.

                                  Arbitration

11. Any dispute arising out of or related to this agreement or any term of
provision thereof shall be submitted by the parties within a reasonable time to
a single arbitrator agreeable to both parties who shall hear and adjudicate upon
the said dispute and such arbitrator's award shall be final and binding upon the
parties.

                                       4
<PAGE>

                                  Termination

12. Notwithstanding anything in this agreement to the contrary, the Company
shall have the right to terminate this agreement by issuing the Permit Holder
with thirty days' notice in writing of such termination.

                                 Confidentiality

13. Neither party shall disclose to any third party whomsoever, any information
of whatsoever type or description relating to or concerning the affairs or
business of the other party to this agreement at any time, unless required by
law, without the permission in writing of the other party, whether during the
subsistence of this agreement or after 3 (three) years of its termination.

                                   Assignment

14. The Company shall have the right to assign this agreement or any part
thereof.

                                     Notice

15. Any notice required to be given to one party by the other under this
agreement shall be deemed duly given if either delivered personally by
registered post or by facsimile transmission to the herein stated address of the
party who is to receive it.

IN WITNESS WHEREOF the parties hereto have hereunder set their hands upon the
date first written in the presence of the subscribing witnesses hereto.

                                        ------------------------------------
                                        The Company

                                        ------------------------------------
                                        The Permit Holder

WITNESSES:

1.
  -----------------------

2.
  -----------------------

                                       5

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