Keefer, William R. 1924-
Stratigraphy and geologic history of the uppermost Cretaceous, Paleocene, and lower Eocene rocks in the wind river basin, Wyoming / by William R. Keefer. -- Washington : United States Government Printing Office, 1965 - 77 p. + map. -- (Geological Survey Professional Paper ; 495-A).
Estratigrafía
Wyoming
551.7(787)
Stratigraphy and geologic history of the uppermost Cretaceous, Paleocene, and lower Eocene rocks in the wind river basin, Wyoming / by William R. Keefer. -- Washington : United States Government Printing Office, 1965 - 77 p. + map. -- (Geological Survey Professional Paper ; 495-A).
Estratigrafía
Wyoming
551.7(787)