Author Search Results

Relationship of Precambrian quartziteschist sequence along Coal Creek to Idaho Springs Formation, Front Range, Colorado

by Wells, John David, 1926-
Published: U.S. Govt. Print. Off., 1964

Description: 25 pages : illustrations, maps (1 folded color in pocket) ; 29 cm.

Book

Radioactivity reconnaissance of part of north-central Clear Creek county, Colorado

by Wells, John David, 1926-
Published: United States Department of the Interior, Geological Survey, 1954

Description: 1 online resource (ii, 8 pages) : illustrations, maps.

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eBook

Petrography of radioactive tertiary igneous rocks, Front Range mineral belt, Colorado

by Wells, John David, 1926-
Published: U.S. G.P.O., 1960

Description: pages iv, 223-272 : illustrations, map ; 24 cm + 1 folded color map in case.

Book

Radioactivity reconnaissance of part of north-central Clear Creek county, Colorado

by Wells, John David, 1926-
Published: U.S. Geological Survey, 1954

Description: ii, 9 pages : illustrations, maps ; 28 cm.

Book

Petrography of radioactive tertiary igneous rocks, Front Range mineral belt, Colorado

by Wells, John David, 1926-
Published: United States Department of the Interior, Geological Survey, 1960

Description: 1 online resource (iv, 223-272 pages, 1 page of plate) : illustrations, map, charts.

eBook

Geology of the Eldorado Springs quadrangle, Boulder and Jefferson Counites, Colorado, by John D. Wells

by Wells, John David, 1926-
Published: U.S. Govt. Print. Off., 1967

Description: v, 85 pages : illustrations, maps (1 folded color in pocket) ; 24 cm.

Book

Geochemical reconnaissance of the Cortez-Buckhorn area, southern Cortez Mountains, Nevada

by Wells, John David, 1926-
Published: U.S. Govt. Print. Off., 1971

Description: iii, 18 pages : maps (3 folded color in case) ; 24 cm.

Book

Stratigraphy and structure of the House Rock Valley area, Coconino County, Arizona

by Wells, John David, 1926-
Published: U.S. G.P.O., 1960

Description: pages iii, 117-158 : illustrations, maps ; 24 cm.

Book

Stratigraphy and structure of the House Rock Valley area, Coconino County, Arizona

by Wells, John David, 1926-
Published: United States Department of the Interior, Geological Survey, 1960

Description: 1 online resource (iii, 117-158 pages, 2 pages of plates) : illustrations, maps.

eBook

Geochemical reconnaissance of the Cortez-Buckhorn area, southern Cortez Mountains, Nevada

by Wells, John David, 1926-
Published: United States Department of the Interior, Geological Survey, 1971

Description: 1 online resource (iii, 18 pages, 3 pages of plates) : maps (some color).

eBook

Geology of the Eldorado Springs quadrangle, Boulder and Jefferson counties, Colorado : petrography, stratigraphy, and structural geology of the Precambrian metamorphic and igneous...

by Wells, John David, 1926-
Published: United States Department of the Interior, Geological Survey, 1967

Description: 1 online resource (v, 85 pages, 1 page of plates) : illustrations, color map.

eBook

Anomalous concentrations of gold, silver, and other metals in the Mill Canyon area, Cortez quadrangle, Eureka and Lander Counties, Nevada

by Elliott, James E.
Published: [U.S. Dept. of the Interior, Geological Survey], 1968

Description: iii, 20 pages : illustrations, maps. ; 26 cm.

Book

Tectonic features of the Precambrian Belt basin and their influence on post-belt structures

by Harrison, Jack Edward, 1924-
Published: U.S. Govt. Print. Off., 1974

Description: 15 pages : maps ; 29 cm.

Book

Geology and ore deposits of the Chicago Creek area, Clear Creek County, Colorado

by Harrison, Jack Edward, 1924-
Published: U.S. Govt. Print. Off., 1959

Description: v, 92 pages : maps (part folded, part color) diagrams, tables. ; 29 cm.

Book

Geology and ore deposits of the Chicago Creek area, Clear Creek County, Colorado

by Harrison, Jack Edward, 1924-
Published: United States Department of the Interior, Geological Survey, 1959

Description: 1 online resource (v, 92 pages) : illustrations, maps + 13 plates.

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Anomalous concentrations of gold, silver, and other metals in the Mill Canyon area, Cortez quadrangle, Eureka and Lander Counties, Nevada

by Elliott, James E.,
Published: United States Department of the Interior, Geological Survey, 1968

Description: 1 online resource (iii, 20 pages) : illustrations, maps.

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eBook

Tectonic features of the Precambrian Belt basin and their influence on post-belt structures

by Harrison, Jack Edward, 1924-
Published: United States Department of the Interior, Geological Survey, 1974

Description: 1 online resource (iii, 15 pages) : illustrations, maps.

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eBook

Geology and ore deposits of the Freeland-Lamartine district, Clear Creek County, Colorado

by Harrison, Jack Edward, 1924-
Published: United States Department of the Interior, Geological Survey, 1956

Description: 1 online resource (v, 33-127 pages, 10 pages of plates) : illustrations, maps, charts.

eBook

Geology and ore deposits of the Freeland-Lamartine district, Clear Creek County, Colorado

by Harrison, Jack Edward, 1924-
Published: U.S. Dept. of the Interior, Geological Survey, 1954

Description: 127 leaves : illustrations, maps ; 29 cm.

Book

Geology and construction-material resources of Morris County, Kansas

by Mudge, Melville R., 1921-2009,
Published: United States Department of the Interior, Geological Survey, 1958

Description: 1 online resource (iv, 61 pages, 2 pages of plates) : illustrations, maps, charts..

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