Stratigraphy and geologic history of the Montana group and equivalent rocks, Montana, Wyoming, and North and South Dakota /

Bibliographic Details
Main Authors:	Gill, James R. (James Rogers), 1922-1972, Cobban, William A., 1916-2015 (Author)
Format:	Government Document Book
Language:	English
Published:	Washington : U.S. Govt. Print. Off, 1973.
Series:	Geological Survey professional paper ; 776.
Subjects:	Geology, Stratigraphic > Cretaceous. Geology > West (U.S.)

Evans: US Documents (Annex 5th floor)