Geology and Geochemistry of Gold Deposits of the Big Canyon Area, El Dorado County, California: Issues 1847-1854

Geochemical Signatures of Silver and Gold Deposits, Tonopah 10 X 20 Quadrangle, Nevada: Description and Applications to Exploration

Geology and Geochemistry of Synsedimentary Cobaltiferous-pyrite Deposits, Iron Creek, Lemhi County, Idaho: Issue 1882

Spatial Analysis of Geochemical and Geologic Information from the Tonopah 1° X 2° Quadrangle, Nevada: Experimental Application of a Geographic Information System to the Analysis and Mapping of Information Used in a Typical Mineral Resource Assessment, Issue 1878

Geochemical Signatures of Silver and Gold Deposits, Tonopah 1° X 2° Quadrangle, Nevada: Description and Applications to Exploration

Geology and Geochemistry of the Pitch Uranium Mine Area, Saguache County, Colorado: Issue 1797

Spatial Analysis of Geochemical and Geologic Information from the Tonopah 10 X 20 Quadrangle, Nevada: Experimental Application of a Geographic Information System to the Analysis and Mapping of Information Used in a Typical Mineral Resource Assessment

Geology and Geochemistry of Tertiary Volcanic Host Rocks, Sleeper Gold-silver Deposit, Humboldt County, Nevada

Geology and Gold Mineralization of the Gold Basin-Lost Basin Mining Districts, Mohave County, Arizona: Issues 1361-1362

U.S. Geological Survey Bulletin