Geologic map of the Triangle A pegmatite, Custer County, South Dakota /

Bibliographic Details
Main Author:	Lang, Andrew J., 1924-
Corporate Author:	Geological Survey (U.S.)
Format:	Government Document Map
Language:	English
Published:	Washington, D.C. : U.S. Geological Survey, 1955.
Series:	Mineral investigations field studies ; map MF-44.
Subjects:	Geology > South Dakota > Custer County > Maps. Pegmatites > South Dakota > Custer County > Maps.

Evans: Maps File (2nd floor)