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Re: News Releases - Tuesday, August 21, 2007
Prospect Uranium, Inc. Acquires Uranium Database and Appoints
George Copenhaver to Advisory Board.
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LA JOLLA, CA -- August 21, 2007 -- Prospect Uranium, Inc., a subsidiary
of Tonogold Resources, Inc. (Pink Sheets: TNGL) is pleased to announce
the signing of an agreement with George Copenhaver PG, CEG, to be a
corporate advisor and for the exclusive rights to a unique uranium
database.

Mr. Copenhaver has 40 years experience as a consulting and exploration
geologist. Mr. Copenhaver worked for Conoco/Phillips for 10 years and
held the position of senior uranium exploration geologist in charge of
the western United States. Mr. Copenhaver currently works at Geocon
Incorporated, a geotechnical firm based in San Diego, California. Mr.
Copenhaver holds B.S. and M.S. degrees in Geology from San Diego State
University. Mr. Copenhaver is a Registered Professional Geologist and
a Certified Engineering Geologist.

Mr. Copenhaver has provided Prospect Uranium with 10 high quality
uranium prospects. Land status checks and field research have begun.

A major part of the Copenhaver database pertains to sedimentary basins
in Wyoming, Utah and Colorado, and detailed information and
interpretations specific to four uranium-bearing sedimentary basins.
The latter includes district-specific data on stratigraphy, structure,
alteration, roll fronts and pieziometry based on surface indicators,
geophysics, drill logs, and well data.

The database includes detailed information on uranium mineralization
throughout the central western United States including site specific
data on two prospects in Nevada, complete with drill logs,
mineralogical analysis, mapping, and chemical analysis. The database
includes higher grade vein-type occurrences, one in Nevada and two in
Colorado with surface sampling, geophysical, and drill results.

Jeff Janda, President of Prospect Uranium, stated: "Mr. Copenhaver is
an experienced exploration geologist with expertise in our regions of
interest and he will be a key asset for our uranium exploration program
going forward."

Prospect Uranium, Inc. is a minerals exploration company based in La
Jolla, California with properties in North Dakota and Nevada. The
company also has a project office in Carson City, Nevada. For more
information on the Company visit their website www.prospecturanium.com.
Tonogold Resources, Inc. is the parent company and their website is
www.tonogold.com.



Safe Harbor Statement Under Private Securities Litigation Reform Act of
1995
This press release contains certain forward-looking information about
Prospect Uranium, Inc. ("Prospect") and Tonogold Resources, Inc.
("Tonogold") which is intended to be covered by the safe harbor for
"forward-looking statements" provided by the Private Securities
Litigation Reform Act of 1995. Forward-looking statements are
statements that are not historical facts. Words such as "expect(s),"
"feel(s)," "believe(s)," "will," "may," "anticipate(s)," "goal" and
similar expressions are intended to identify forward-looking
statements. These statements include, but are not limited to, financial
projections and estimates and their underlying assumptions; statements
regarding plans, objectives and expectations with respect to future
operations, products and services; and statements regarding future
performance. Such statements are subject to certain risks and
uncertainties, many of which are difficult to predict and generally
beyond the control of Prospect and Tonogold that could cause actual
results to differ materially from those expressed in, or implied or
projected by, the forward-looking information and statements. These
risks and uncertainties include: our lack of operating revenue and
earnings history, our need for additional capital to pursue our
business strategy, the grade and quantity of minerals in our projects
may not be economic, we do not have fee title to our properties, but
derive our right through leases and the Mining Law, Tonogold is a
non-reporting company and as such do not make periodic filings with the
Securities and Exchange Commission, Tonogold trades on the Pink Sheets
and there can be no assurances that a liquid market will develop in our
securities, Prospect is a private company and there can be no
assurances that it will go public, mining is subject to extensive
environmental regulations and can create substantial environmental
liabilities, gold, silver and uranium are commodities which have
substantial price fluctuations, a drop in gold, silver and/or uranium
prices could adversely affect future profitability and/or capital
raising efforts, and mining can be dangerous and present operation
hazards for employees and contractors. Readers are cautioned not to
place undue reliance on these forward-looking statements. Neither
Tonogold nor Prospect undertakes any obligation to republish revised
forward-looking statements to reflect events or circumstances after the
date hereof or to reflect the occurrence of unanticipated events.

Contact:
Contact:
Phillip Winter
858-456-1273
ir@tonogold.com

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Copyright (c) 2007 TONOGOLD RESOURCES, INC. (TNGL) All rights
reserved. For more information visit our website at
http://www.tonogold.com/ or send mailto:ir@tonogold.com
Message sent on Tue Aug 21, 2007 at 6:34:13 AM Pacific Time
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