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Geology of the Du Noir Area Fremont country Wyoming / by William R. Keefer.

by Keefer, William R, 1924-.

Material type: book Book Publisher: Washington : United States Government Printing Office, 1957Availability: Items available for loan: Biblioteca Aranzadi [Call number: 55(787) KEE] (1).
Stratigraphy and geologic history of the uppermost Cretaceous, Paleocene, and lower Eocene rocks in the wind river basin, Wyoming / by William R. Keefer.

by Keefer, William R, 1924-.

Material type: book Book Publisher: Washington : United States Government Printing Office, 1965Availability: Items available for loan: Biblioteca Aranzadi [Call number: 551.7(787) KEE] (1).
Structural geology of the wind river basin, Wyoming / by William R. Keefer.

by Keefer, William R, 1924-.

Material type: book Book Publisher: Washington : United States Government Printing Office, 1970Availability: Items available for loan: Biblioteca Aranzadi [Call number: 55(787) KEE] (1).
Frontier, cody, and Mesaverde formations in the wind river and southern Bighorn basins, Wyoming / by William R. Keefer.

by Keefer, William R, 1924-.

Material type: book Book Publisher: Washington : United States Government Printing Office, 1972Availability: Items available for loan: Biblioteca Aranzadi [Call number: 55(787) KEE] (1).
The Geologic Story of Yellowstone National Park / By William R. Keefer ; Illustrated by John R. Stacy.

by Keefer, William R, 1924-.

Material type: book Book Publisher: Washington : United States Government Printing Office, [1972?]Availability: Items available for loan: Biblioteca Aranzadi [Call number: 551.7(7 Yellowstone) KEE] (1).
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