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:
Description
Item Description:Relief shown by contour lines.
"Geology by Andrew J. Lang, Jr., September 1947."
Includes 2 cross sections, inset map, text, location map, and bibliography.
Cartographic material.
Physical Description:1 map ; 43 x 57 cm., folded in envelope 30 x 24 cm.