Transcontinental geophysical survey (35⁰-39⁰ N) : geologic map from 87⁰ to 100⁰ W longitude /

Bibliographic Details
Main Author:	Willden, Ronald (Charles Ronald), 1929-
Corporate Author:	Geological Survey (U.S.)
Other Authors:	Carlson, John Edward, 1919-
Format:	Government Document Map
Language:	English
Published:	Washington, D.C. : U.S. Geological Survey, 1968.
Series:	Miscellaneous geologic investigations ; I-534-C.
Subjects:	International Upper Mantle Project > Maps. Geology > Middle West > Maps. Geology > Great Plains > Maps.

Description
Item Description:	"A contribution to the Upper Mantle Project." Cartographic material.
Physical Description:	1 map : color ; 44 x 112 cm., folded in envelope 30 x 24 cm.