Author Search Results

Geology and petrology of the Ute Mountains area, Colorado

by Ekren, E. B. 1923-
Published: U. S. Govt. Print. Off., 1965

Description: 74 pages : illustrations, maps (1 folded color) ; 29 cm.

Book

Stratigraphic and structural relations of the Hoodoo Quartzite and Yellowjacket Formation of Middle Proterozoic age from Hoodoo Creek eastward to Mount Taylor, central Idaho : with...

by Ekren, E. B. 1923-
Published: U.S. G.P.O. ; For sale by the Books and Open-File Reports Section, U.S. Geological Survey, 1988

Description: iii, 17 pages : illustrations, color maps ; 28 cm.

Book

Preliminary geologic map of the Moqui SE quadrangle, Montezuma County, Colorado

by Ekren, E. B. 1923-
Published: U.S. Geological Survey, 1959

Description: 1 map : color ; 58 x 46 cm, on sheet 85 x 76 cm, folded to 21 x 27 cm, in envelope 30 x 24 cm.

Map

Preliminary geologic map of the Sentinel Peak NE quadrangle, Montezuma County, Colorado

by Ekren, E. B. 1923-
Published: U.S. Geological Survey, 1959

Description: 1 map : color ; 58 x 46 cm, folded in envelope 30 x 24 cm.

Map

Geologic map of the Skull Mountain quadrangle, Nye County, Nevada

by Ekren, E. B. 1923-
Published: United States Geological Survey, 1965

Description: 1 map : color ; 58 x 46 cm.

Map

Preliminary geologic map of the Cortez SW quadrangle, Montezuma County, Colorado

by Ekren, E. B. 1923-
Published: U.S. Geological Survey, 1959

Description: 1 map : color ; 57 x 46 cm, on sheet 68 x 73 cm, folded to 28 x 20 cm, in envelope 30 x 24 cm.

Map

Geological-geophysical investigations of bedrock in the Island Fall quadrangle, Aroostook and Penobscot Counties, Maine

by Ekren, E. B. 1923-
Published: U.S. Govt. Print. Off., 1967

Description: iv, 36 pages : illustrations, maps (2 folded color in pocket) ; 29 cm.

Book

High-temperature, large-volume, lavalike ash-flow tuffs without calderas in southwestern Idaho

by Ekren, E. B. 1923-
Published: U.S. Dept. of the Interior, Geological Survey ; For sale by the Branch of Distribution, U.S. Geological Survey, 1984

Description: iv, 76 pages : illustrations, 2 maps ; 29 cm + 2 folded maps in pocket.

Book

Geologic map of the Win Wan Flat, Kinkaid NW, Kinkaid, and Indian Head Peak quadrangles, Mineral County, Nevada

by Ekren, E. B. 1923-
Published: U.S. Geological Survey, 1985

Description: 1 map : color ; 58 x 45 cm, on sheet 72 x 95 cm, folded in envelope 30 x 24 cm.

Map

Geologic map of Tertiary rocks, Lincoln County, Nevada

by Ekren, E. B. 1923-
Published: U.S. Geological Survey, 1977

Description: color map ; 82 x 66 cm on sheet 95 x 137 cm folded in envelope 31 x 24 cm.

Map

Geologic and Bouguer gravity map of the Reveille quadrangle, Nye County, Nevada

by Ekren, E. B. 1923-
Published: U.S. Geological Survey, 1973

Description: 1 map : color ; 58 x 46 cm, folded in envelope 30 x 24 cm.

Map

Preliminary geologic map of the Sentinel Peak NW quadrangle, Montezuma County, Colorado

by Ekren, E. B. 1923-
Published: U.S. Geological Survey, 1957

Description: 1 map : color ; 58 x 46 cm, folded in envelope 30 x 24 cm.

Map

Geologic map of the Silent Butte quadrangle, Nye County, Nevada

by Ekren, E. B. 1923-
Published: U.S. Geological Survey, 1966

Description: 1 map : color ; on sheet 82 x 72 cm folded in envelope 30 x 24 cm.

Map

Geologic map of the Belted Peak quadrangle, Nye County, Nevada

by Ekren, E. B. 1923-
Published: U.S. Geological Survey, 1967

Description: 1 map : color ; on sheet 64 x 89 cm folded in envelope 30 x 24 cm.

Map

Geologic map of the Mount Annie NE, Mount Annie, Ramsey Spring, and Mount Annie SE quadrangles, Mineral and Nye Counties, Nevada

by Ekren, E. B. 1923-
Published: U.S. Geological Survey, 1986

Description: 1 map : color ; 58 x 45 cm, on sheet 78 x 97 cm, folded in envelope 30 x 24 cm.

Map

Preliminary geologic map of the Coyote Spring quadrangle, Lincoln County, Nevada

by Ekren, E. B. 1923-
Published: U.S. Dept. of the Interior, U.S. Geological Survey, 1995

Description: 1 volume.

Book

Preliminary reserve statement 40, reserve block F, Long Park area, Montrose County, Colorado

by Ekren, E. B. 1923-
Published: United States Dept. of the Interior, Geological Survey, 1954

Description: 6 leaves (some folded) : 1 map (folded) ; 27 cm.

Manuscript

Geology and petrology of the Ute Mountains area, Colorado

by Ekren, E. B. 1923-
Published: United States Department of the Interior, Geological Survey, 1965

Description: 1 online resource (v, 74 pages) : illustrations, maps + 2 plates.

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eBook

by Ekren, E. B. 1923-
Published: United States Department of the Interior, Geological Survey, 1976

Description: 1 online resource (iii, 16 pages) : illustrations, maps + 1 plate.

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eBook

Stratigraphic and structural relations of the Hoodoo Quartzite and Yellowjacket Formation of Middle Proterozoic age from Hoodoo Creek eastward to Mount Taylor, central Idaho ; with...

by Ekren, E. B. 1923-
Published: Department of the Interior, U.S. Geological Survey, 1988

Description: 1 online resource (iii, l7 pages, 2 pages of plates) : illustrations, 3 maps (some color).

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eBook

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