Author Search Results

Zinc-lead-copper resources and general geology of the upper Mississippi Valley district

by Heyl, Allen V. 1918-2008,
Published: United States Department of the Interior, Geological Survey, 1955

Description: 1 online resource (iii, 227-245 pages, 1 page of plate) : illustrations, maps, charts.

eBook

Oxidized zinc deposits of the United States. Part 1, General geology

by Heyl, Allen V. 1918-2008,
Published: United States Department of the Interior, Geological Survey, 1962

Description: 1 online resource (52 pages, 1 page of plate) : illustrations, maps.

eBook

Oxidized zinc deposits of the United States. Part 2, Utah

by Heyl, Allen V. 1918-2008,
Published: United States Department of the Interior, Geological Survey, 1963

Description: 1 online resource (vi, 104 pages, 9 pages of plates) : illustrations, maps, charts, photographs.

eBook

Regional structure of the southeast Missouri and Illinois-Kentucky mineral districts : study of the principal geologic structures and mines in and between two major mineral-produci...

by Heyl, Allen V. 1918-2008,
Published: United States Department of the Interior, Geological Survey, 1965

Description: 1 online resource (20 pages, 3 pages of plates) : maps (some color).

eBook

Aeromagnetic and tectonic analysis of the Upper Mississippi Valley zinc-lead district : a magnetic study indicating major geologic structures in the basement rock which controlled...

by Heyl, Allen V. 1918-2008,
Published: United States Department of the Interior, Geological Survey, 1966

Description: 1 online resource (16 pages, 1 page of plates) : illustrations, color map.

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eBook

Oxidized zinc districts in California and Nevada

by Heyl, Allen V. 1918-2008.
Published: U.S. Geological Survey, 1964

Description: 2 maps, color ; 84x74 cm folded in envelope 29 x 31 cm + 1 text (6 pages ; 28 cm).

Map

The geology of the upper Mississippi Valley zinc-lead distict

by Heyl, Allen V. 1918-2008.
Published: U. S. Govt. Print. Off., 1959

Description: x, 310 pages : illustrations, maps (24 folded 22 color, in portfolio) diagrams, profiles, tables. ; 29 cm.

Book

Zoning of the Bitter Creek vanadium-uranium deposit near Uravan, Colorado

by Heyl, Allen V. 1918-2008.
Published: U.S. G.P.O., 1957

Description: pages iii, 187-201 : illustrations, maps ; 24 cm.

Book

Exploratory drilling in the Prairie du Chien group of the Wisconsin zinc-lead district by the U.S. Geological Survey in 1949-1950

by Heyl, Allen V. 1918-2008.
Published: [publisher not identified], 1951

Description: i, 35 pages : illustrations, maps. ; 27 cm.

Book

Aeromagnetic and tectonic analysis of the Upper Mississippi Valley zinc-lead district

by Heyl, Allen V. 1918-2008.
Published: U. S. Govt. Print. Off., 1966

Description: 16 pages : maps ; 24 cm.

Book

Oxidized zinc deposits of the United States. Part 2., Utah

by Heyl, Allen V. 1918-2008.
Published: U.S. G.P.O., 1963

Description: vi, 104 pages : illustrations, maps (some color) ; 24 cm.

Book

Oxidized zinc deposits of the United States. Part 3., Colorado

by Heyl, Allen V. 1918-2008.
Published: U.S. G.P.O., 1964

Description: vi, C1-C98 pages : illustrations, maps (some color) ; 24 cm.

Book

Zoning of the Bitter Creek vanadium-uranium deposit, Montrose County, Colorado

by Heyl, Allen V. 1918-2008.
Published: U.S. Dept. of the Interior, Geological Survey, 1954

Description: 27 leaves : illustrations ; 29 cm.

Book

Geologic structure map of the Beetown lead-zinc area, Grant County, Wisconsin

by Heyl, Allen V. 1918-2008.
Published: The Survey, 1952

Description: 1 map : color ; 37 x 64 cm, on sheet 81 x 91 cm, folded in envelope 30 x 24 cm.

Map

Preliminary seismotectonic map of the central Mississippi Valley and environs

by Heyl, Allen V. 1918-2008.
Published: U.S. Geological Survey, 1978

Description: 1 map ; on two sheets 106 x 122 cm and 97 x 86 cm.

Map

The geology of the upper Mississippi Valley zinc-lead district

by Heyl, Allen V. 1918-2008,
Published: United States Department of the Interior, Geological Survey, 1959

Description: 1 online resource (x, 310 pages) : illustrations, maps + 24 plates.

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eBook

Zoning of the Bitter Creek vanadium-uranium deposit near Uravan, Colorado

by Heyl, Allen V. 1918-2008,
Published: [United States Department of the Interior, Geological Survey], 1957

Description: 1 online resource (iii, 187-201 pages) : illustrations, maps.

eBook

Exploratory drilling in the Prairie du Chien group of the Wisconsin zinc-lead district by the U.S. Geological Survey in 1949-1950

by Heyl, Allen V. 1918-2008,
Published: United States Department of the Interior, Geological Survey, 1951

Description: 1 online resource (i, 35 pages) : illustrations, maps.

Get full text
eBook

Mercury and other trace elements in sphalerite and wallrocks from central Kentucky, Tennessee, and Appalachian zinc districts

by Jolly, Janice L. W.
Published: U.S. Govt. Print. Off., 1968

Description: iii, 29 pages : illustrations, map. ; 24 cm.

Book

Regional structure of the southeast Missouri and Illinois-Kentucky mineral districts

Published: U. S. Govt. Print. Off., 1965

Description: 20 pages : maps (2 folded in pocket) ; 24 cm.

Book

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