Geologic map of the Manitou Island quadrangle, Michigan : bedrock geology /

Bibliographic Details
Main Author:	Cornwall, Henry R. (Henry Rowland), 1913-
Corporate Author:	Geological Survey (U.S.)
Other Authors:	White, Walter S. (Walter Stanley), 1915-
Format:	Government Document Map
Language:	English
Published:	Washington, D.C. : U.S. Geological Survey, 1955.
Series:	Geologic quadrangle map ; GQ-73.
Subjects:	Geology > Michigan > Keweemaw County > Maps.

Description
Item Description:	"Contour interval 20 feet." Includes text and col. sections. Cartographic material.
Physical Description:	1 map : color ; 58 x 53 cm., on sheet 76 x 127 cm., folded in envelope 30 x 24 cm.