FIRST AMENDMENT TO CAMPBELL/SIMPSON/TONKIN
SPRINGS GOLD MINING COMPANY MINING LEASE
THIS FIRST AMENDMENT TO MINING LEASE is made and entered into effective as of the
10th day of January, 1986 by and between Lyle F. Campbell, a single man, and Julian E. Simpson and Jean C.
Simpson, husband and wife (hereinafter collectively called “Campbell/Simpson”), and Tonkin Springs Gold
Mining Company, a Colorado corporation (hereinafter called “TSGMC”).
A. Effective January 1, 1986, Campbell/Simpson and TSGMC entered into a Mining Lease (the
“Campbell/Simpson-TSGMC Lease”) with respect to certain mining claims situated in Eureka County, Nevada,
said claims being described in Exhibit A to the Campbell/Simpson-TSGMC Lease (the “Tonkin, Pat, et al.
B. Effective January 5, 1985, TSGMC had entered with Precambrian Exploration, Inc.
(“Precambrian Exploration”) into a Mining Lease (the “Precambrian Exploration-TSGMC Lease”), with respect
to certain other mining claims (the “Rob Claims”) adjacent to the Tonkin, Pat, et al. Claims. The Rob Claims are
described in Exhibit A to the Precambrian Exploration-TSGMC Lease and in Exhibit B to the
C. The Campbell/Simpson-TSGMC Lease and the Precambrian Exploration-TSGMC Lease
each contain area of interest provisions whose boundaries overlap and cover the same lands.
D. Pursuant to the paragraph typed at the bottom of page 15 of the Campbell/Simpson-TSGMC
Lease, Campbell/Simpson and TSGMC hereby wish to clarify the extent to which the provisions of Article 32 of
the Campbell/Simpson-TSGMC Lease will apply.
NOW, THEREFORE, in consideration of the mutual benefits that will be enjoyed by
Campbell/Simpson and TSGMC pursuant to the Campbell/Simpson-TSGMC Lease and this First Amendment,
the parties hereto agree as follows:
1. The last sentence of