Document:

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                                                                   Exhibit 10.28

                            Translation from Russian

                                     LICENSE
                     FOR THE RIGHT TO USE MINERAL RESOURCES

            HAB                       01012                         BR
           series                     number                       type

Issued to: Closed Joint Stock Company "Tas-Yurjah" Mining Company -- Leo Tolstoy
Street, 8, Khabarovsk

in the person of: General Director V.A. Kravtsov.

Goal and types of operations: geological study and mining of placer (deluvial)

and ore gold at Malyutka deposit.

The area is located: in the Ayan-Maya Region of the Khabarovsk Territory

Description of the boundaries of the area, coordinates of corner points, copies

of topo plans, cross sections, etc. are given in Appendix 1.

The right to use the land plot was granted by: ________________________________

Copies of documents and description of the boundaries of the land plot are given
in Appendix ___________

The area has the status of a mining allotment (claim)

Expiry date of the license: December 31, 2004.

The following documents form an integral part of this License:

      1.    Agreement on conditions of using mineral resources -- 3 pages
      2.    Agreement on furnishing geological information -- 2 pages
      3.    Extract from Minutes # 17 on results of the auction dated June 7,
            1994
      4.    Approval of the Regional Administration for granting a land
            allotment -- 1 page
      5.    A letter from the Ministry of Natural Resources of Russia on
            delegating the right to re-execute and issue the license to
            Dalgeolkom -- 1 page
      6.    A letter from the General Headquarters of the Armed Forces of the
            Russian Federation on approval of the conduct of work in "Malyutka"
            area -- 1 page
      7.    Resolution of the Administration of the Khabarovsk Territory and
            Dalgeolkom on re-execution of the license -- 1 page

Authorized representative                 Authorized representative
of the Committee on Geology               of the body of state power of the
and Use of Mineral Resources              subject of Federation
of the Russian Federation
                                          /s/ Y.F. Matveev       Y.F. Matveev
/s/ V.B. Troyan            V.B. Troyan    ----------------------
--------------------------
August 27, 1997

                             Head of the enterprise
                             securing a license

                             /s/ Valentin A. Kravtsov    Valentin A. Kravtsov
                             ---------------------------
                             August 27, 1997

<PAGE>   2

                            Translation from Russian

                                                          Amendment to
                                                          License # HAB 01012 BR

                                   RESOLUTION
                OF THE ADMINISTRATION OF THE KHABAROVSK TERRITORY
         AND COMMITTEE OF NATURAL RESOURCES OF THE KHABAROVSK TERRITORY
                             dated December 10, 1998

Date of registration: December 30, 1998
#201

In connection with an application filed by the Closed Joint Stock Company
"Tas-Yurjah" Mining Company for extension of the term of the conduct of
prospecting and exploration operations under license HAB 01012 BR for the right
for geological study and mining of placer (deluvium) and ore gold in Malyutka
zone, under the authority of the letter of the Ministry of Natural Resources of
Russia # 112242/1 dated December 21, 1998 on delegating the right to introduce
alterations and amendments into license HAB 01012 BR, to extend the terms for:

      -     Prospecting -- till January 1, 2000;
      -     Exploration with State appraisal of obtained information (reserves)
            -- till January 1, 2001;
      -     Gold production in accordance with the established quota shall start
            from 2001.

First Deputy Head of Administration        Chairman of the Far Eastern Committee
of the Khabarovsk Territory                of Natural Resources
on Economy

/s/ G. Apanasenko       G. Apanasenko      /s/ V. Troyan         V. Troyan
-----------------------                    ---------------------

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THE PIONEER GROUP, INC.

60 State Street
Boston, MA 02109-1820
617-742-7825

[PIONEER LOGO]

      The undersigned hereby certifies that the translation of License No. HAB
01012 BR for the Right to Use Mineral Resources dated as of August 27, 1997
issued by the Committee on Geology and Use of Mineral Resources of the Russian
Federation to Closed Joint-Stock Company "Tas-Yurjah" Mining Company, as amended
by the Resolution of the Administration of Khabarovsk Territory and Committee of
Natural Resources of the Khabarovsk Territory dated as of December 30, 1998 to
which this certification is attached is a fair and accurate translation of the
original document executed in Russian.

Dated: May 22, 2000

                                     /s/ Catherine Mannick
                                     ---------------------------------------
                                     Name: Catherine Mannick
                                     Title: Vice President and Assistant
                                     General Counsel, The Pioneer Group,
                                     Inc.<PAGE>   1
                                                                   Exhibit 10.29

                            Translation from Russian

                                    AGREEMENT
                  ON CONDITIONS OF THE USE OF MINERAL RESOURCES
             between the Administration of the Khabarovsk Territory
      and the Far Eastern Committee on Geology and Use of Mineral Resources
                        (Dalgeolkom) on the one hand and
                     Joint Stock Company of the Closed Type
                           "(Tas-Yurjah)" Mining Company"
                                on the other hand

The Administration of the Khabarovsk Territory and Dalgeolkom (Licenser) specify
conditions of the use of mineral resources under the license No HAB 01012 BR for
the right for geological study and mining of placer (deluvial) and ore gold in
Malyutka deposit as described below:

1. This Agreement comes into force from the date of registration of the license
and shall be in effect simultaneously with the license till January 1, 2005.
The effective period of the Agreement shall be automatically extended or
terminated with the extension or termination of the license.

2. The owner of the license (Licensee) undertakes:

- To conduct the licensed operations within the terms mentioned below:
i) Preparation of the Program for the conduct of work (prospecting, exploration,
mining) and getting approvals for it - till January 1, 1995
ii) Prospecting - till January 1,1997
iii) Geologic exploration followed by state appraisal of obtained information
(reserves) - till January 1,1999
iiii) Mining of gold in accordance with the established quota - from 1999 and
subsequent years.
Long-term (more than a year) break or long-term suspension of work is possible
only on the Licenser's permit.

- To conduct the licensed operations in accordance with the Programs for the
conduct of work approved in accordance with the established procedure with the
availability of positive conclusion of the State environmental appraisal by the
Territorial Environmental Committee, subject to all requirements and conditions
for the use of mineral resources stipulated by the legislation on mineral
resources of the Russian Federation and territorial authorities;

- To register the Program for the conduct of prospecting (exploration) in the
Far Eastern Territorial Geological Fund:

- To prepare a Mining Program after the State appraisal of geological
information (reserves);

- To use the plot of land for geological study (mining) in accordance with the
Decree of the Head of Administration of the Territory (Region) and with the
agreement on lease of the land plot concluded with the Administration of the
Region.

- To observe safety standards (norms and regulations) for the conduct of mining
operations, protection of mineral resources and environment conservation,
maintenance within the bounds of the claim and the land plot;

- To conduct monitoring of the claim (for rocks and underground waters) in
accordance with the program approved by Dalgeolkom;

- To bring the land plots and other entities of nature disturbed in the process
of mineral resources use to the condition fit for further use according to the
initial purpose;

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                                       2

- To take stock of and exercise continuous control over the volume and weight of
mined in situ and expanded mineral reserves in accordance with respective
normative documents in effect;

- To submit annually the established statistic reports to the Priamursk
Department of Gosgortekhnadzor of Russia and Dalgeolkom by the 15th day of the
month following the reporting year;

- To transfer the geological information gained at the Licensee's own expense
under the agreement concluded with Dalgeolkom;

- For deposits studied at the expense of the state budget, to ensure safe
keeping of geological or other information gained in the process of work; not to
disclose in any form the obtained geological information without Dalgeolkom's
consent;

- To preserve exploration workings and drill holes which can be used for
exploitation or other purposes; to liquidate in accordance with the established
procedure those workings which are not to be used;

- To use mining wastes for additional recovery of the mineral and other
associate components (if they are available) or to ensure their safe keeping for
further reworking;

3. Proceeding from gold reserves available in the deposit as of __________ in
the volume ____________, technical-and-economic indices of the enterprise, the
amount of annually mined ___________ is established in the volume ___________
per year starting from ______________. In case of combined license (geological
study and mining) the volume of per year production _____________ shall be
established by the Licenser after the State appraisal of the obtained geological
information (reserves) ___________________. The volumes of production can be
made more precise on the Licenser's approval based on actual results of every
reporting year and annually confirmed quotas.

4. Distribution of mined mineral shares shall be determined by the Decree of the
President of the Russian Federation No 1489 dated November 30, 1992.

5. The Licensee is bound to pay below-listed annual taxes for the right to use
mineral resources:(1)

- Tax for the right to conduct prospecting and exploration of the deposit in
accordance with the Act of the Head of Administration of the Territory No 450
dated September 16, 1994 at a rate of 1.0% of the cost of fulfilled work for
prospecting and 3.0% - for exploration;

- Tax for the right to mine (starting from the first year of mining) in
accordance with the Act of the Head of Administration of the Territory No 450
dated September 16, 1994 at a rate of ______________________

For above norm losses of reserves in mining the tax rate shall be increased
twice.

For associate mining of minerals during prospecting and exploration the tax
shall be collected at the same rate as for the right to mine.

The form and conditions of payments are determined by the agreement with the
Administration of the Territory (Region).

- Tax for production of mineral resources at a rate of_________________________.

----------
(1) In case of combined license (geological study and mining) the taxes for the
right to mine and for production of mineral resources are established by the
Licenser after the state appraisal of the obtained geological information
(reserves).

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                                       3

- Payment for land in the form of land tax or rent in accordance with the lease
agreement concluded between the Licensee and the proprietor (owner, user,
leaseholder) of the land plot;

- Payment for land of the forestry covered with forests of commercial value in
the form of tax at a rate of 5% of fixed-rate cost of standing wood.

6. Calculation of taxes, terms of their payment to respective budgets are
regulated by instructions in force. All the above-listed payments shall be
effected by the Licensee on a systematic basis and timely.

7. The rate of royalty can be changed by the Licenser on the basis of new
normative acts adopted by the authorities of the Russian Federation and
resolutions of the Head of the Administration of the Khabarovsk Territory.

8. The activity of the Licensee connected with the use of mineral resources
shall be supervised by the State Geological Supervision Office, Priamursk
Department of Gosgortekhnadzor of Russia, Territorial Environmental Committee in
accordance with the procedure established by legal acts of the Russian
Federation.

9. The Licensee shall take part in development of social-economic infrastructure
of the territory in accordance with a separate agreement (contract) concluded
with the Administration of the region.

10. This Agreement is considered to be an integral part of the license. In case
of failure to fulfill the above-mentioned conditions the right to use mineral
resources can be terminated, suspended or limited before the appointed time in
accordance with Russian legislation.

11. This Agreement can be amended or altered only on consent of both parties.

Deputy Head of Administration            Chairman of the Far Eastern Committee
of the Khabarovsk Territory              on Geology and Use of Mineral Resources

/s/ Y. Matveev         Y. Matveev        /s/ V. Troyan              V. Troyan
----------------------                   --------------------------
July 10, 1995                            July 7, 1995

                             Head of the Enterprise
                             securing a license

                             /s/ V. Kravtsov             V. Kravtsov
                             ---------------------------
                             August 27, 1997

<PAGE>   4

THE PIONEER GROUP, INC.

60 State Street
Boston, MA 02109-1820
617-742-7825

[PIONEER LOGO]

      The undersigned hereby certifies that the translation of Agreement on
Conditions of the Use of Mineral Resources License No. HAB 01012 BR dated as of
August 27, 1997 by and among the Administration of the Khabarovsk Territory, the
Far Eastern Committee on Geology and Use of Mineral Resources (Dalgeolkom) and
the Closed Joint-Stock Company "Tas-Yurjah" Mining Company to which this
certification is attached is a fair and accurate translation of the original
document executed in Russian.

Dated: May 22, 2000

                                     /s/ Catherine Mannick
                                     ---------------------------------------
                                     Name: Catherine Mannick
                                     Title: Vice President and Assistant
                                     General Counsel, The Pioneer Group,
                                     Inc.

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