Author Search Results

Geochemical, aeromagnetic, and generalized geologic maps showing distribution and abundance of gold and copper, Golconda and Iron Point quadrangles, Humboldt County, Nevada

by Erickson, Ralph Leroy, 1923-
Published: U.S. Geological Survey, 1971

Description: 2 maps ; 49 x 74 cm.

Map

Geochemical, aeromagnetic, and generalized geologic maps showing distribution and abundance of lead and silver, Golconda and Iron Point quadrangles, Humboldt County, Nevada

by Erickson, Ralph Leroy, 1923-
Published: U.S. Geological Survey, 1971

Description: 2 maps ; 49 x 74 cm.

Map

Geologic map of the Squaw Pass quadrangle, Clear Creek, Jefferson, and Gilpin counties, Colorado

by Sheridan, Douglas M., 1921-
Published: U.S. Geological Survey, 1976

Description: color map ; 58 x 45 on sheet 74 x 108 cm folded in envelope 30 x 24 cm.

Map

Geochemical, aeromagnetic, and generalized geologic maps showing distribution and abundance of mercury, arsenic, antimony, and tungsten, Golrun Creek quadrangle, Humboldt County, N...

by Erickson, Ralph Leroy, 1923-
Published: U.S. Geological Survey, 1973

Description: 4 maps on 2 sheets ; 49 x 38 cm on sheets 58 x 92 cm.

Map

Geochemical, aeromagnetic, and generalized geologic maps showing distribution and abundance of molybdenum and zinc, Golconda and Iron Point quadrangles, Humboldt County, Nevada

by Erickson, Ralph Leroy, 1923-
Published: U.S. Geological Survey, 1972

Description: 2 maps ; 49 x 74 cm.

Map

Geochemical, aeromagnetic, and generalized geologic maps showing distribution and abundance of mercury and lead, Brooks Spring quadrangle, Humboldt County, Nevada

by Erickson, Ralph Leroy, 1923-
Published: U.S. Geological Survey, 1974

Description: 2 maps on 1 sheet ; 49 x 37 cm on sheet 58 x 89 cm.

Map

Rutile and topaz in Precambrian gneiss, Jefferson and Clear Creek Counties, Colorado

by Sheridan, Douglas M., 1921-
Published: [publisher not identified], 1968

Description: iii, 7 pages : illustrations, map. ; 26 cm.

Book

Mineral resources of the Whipple Mountains and Whipple Mountains Addition Wilderness Study Areas, San Bernardino County, California

Published: Dept. of the Interior, U.S. Geological Survey ; For sale by the Books and Open-File Reports Section, 1988

Description: vi, 36 pages : illustrations, maps ; 28 cm.

Book

Geochemical, aeromagnetic, and generalized geologic maps showing distribution and abundance of molybdenum and zinc, Goldrun Creek Quadrangle, Humboldt County, Nevada

Published: U.S. Geological Survey, 1973

Map

Digital geologic map of the Altiplano and Cordillera Occidental, Bolivia

Published: U.S. Geological Survey, 1995

Description: 1 online resource.

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Electronic

Geochemical, aeromagnetic, and generalized geologic maps showing distribution and abundance of lead, silver, gold, and copper, Goldrun Creek quadrangle, Humboldt County, Nevada

by Erickson, Ralph Leroy, 1923-
Published: U.S. Geological Survey, 1973

Description: 4 maps on 2 sheets ; 49 x 38 cm, on sheets 58 x 92 cm, folded in enveleope 25 x 32 cm.

Map

Analytical results, geology, and sample locality map of mercury-sulfur-gypsum mineralization at Crater, Inyo County, California

by Erickson, M. S.
Published: U.S. Dept. of the Interior, Geological Survey, 1985

Description: 1 volume : maps ; 28 cm.

Microfilm

Rutile and topaz in Precambrian gneiss, Jefferson and Clear Creek Counties, Colorado

by Sheridan, Douglas M., 1921-
Published: United States Department of the Interior, Geological Survey, 1968

Description: 1 online resource (iii, 7 pages) : illustrations, map.

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eBook

Geologic map of the Golconda quadrangle, Humboldt County, Nevada

by Geological Survey (U.S.)
Published: U.S. Geological Survey, 1974

Description: 1 map : color ; 58 x 44 cm, on sheet 85 x 86 cm, folded in envelope 30 x 24 cm.

Map

Wilderness mineral potential : assessment of mineral-resource potential in U.S. Forest Service lands studied, 1964-1984

Published: U.S. Dept. of the Interior, Geological Survey ; U.S. G.P.O., 1984

Description: 2 volumes : illustrations, maps (some color) ; 30 cm.

Book

Geologic map of the Iron Point quadrangle, Humboldt County, Nevada

by Geological Survey (U.S.)
Published: U.S. Geological Survey, 1974

Description: 1 map : color ; 58 x 44 cm, on sheet 82 x 83 cm, folded in envelope 30 x 24 cm.

Map

An assessment of the mineral resource potential of the San Isabel National Forest, south-central Colorado

by Taylor, Richard B.
Published: Dept. of the Interior, U.S. Geological Survey, 1984

Description: iv, 42 pages : illustrations, maps (some color) ; 28 cm.

Book

An assessment of the mineral resource potential of the San Isabel National Forest, south-central Colorado

by Taylor, Richard B.
Published: Department of the Interior, U.S. Geological Survey, 1984

Description: 1 online resource (iv, 42 pages, 2 pages of plates) : illustrations, maps (some color).

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eBook

Wilderness mineral potential : assessment of mineral-resource potential in U.S. Forest Service lands studied in 1964-1984

Published: United States Department of the Interior, Geological Survey, 1984

Description: 1 online resource (2 volumes) : illustrations, maps.

Get full text
eBook

4th International Symposium on Environmental Geochemistry program with abstracts

Published: U.S. Dept. of the Interior, U.S. Geological Survey : [Branch of Information Services, distributor], 1997

Description: xxvi, 106 pages : illustrations ; 28 cm.

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