The Supai Group of Grand Canyon : by Edwin D. McKee.

Bibliographic Details
Main Author:	McKee, Edwin D. (Edwin Dinwiddie), 1906-1984
Corporate Author:	Geological Survey (U.S.)
Format:	Government Document Book
Language:	English
Published:	[Reston, Va.] : U.S. Dept. of the Interior, Geological Survey ; 1982.
Series:	Geological Survey professional paper ; 1173.
Subjects:	Geology, Stratigraphic > Permian. Geology, Stratigraphic > Pennsylvanian. Geology > Arizona > Grand Canyon Region.

Evans: US Documents (Annex 5th floor)