Lithologic, geophysical, and mineral commodity maps of Precambrian rocks in Wisconsin /

Bibliographic Details
Main Author:	Dutton, Carl E. (Carl Evans), 1904-
Corporate Authors:	Geological Survey (U.S.), Wisconsin Geological and Natural History Survey
Other Authors:	Bradley, Reta E.
Format:	Government Document Map
Language:	English
Published:	Washington, D.C. : U.S. Geological Survey, 1970.
Series:	Miscellaneous geologic investigations ; map I-631.
Subjects:	Geology > Wisconsin > Maps. Geology, Stratigraphic > Precambrian > Maps.

Description
Item Description:	In upper margin: University Extension--The University of Wisconsin, Geological and Natural History Survey. Cartographic material.
Physical Description:	5 maps on 6 sheets : color ; 74 x 106 cm. or smaller, folded to 28 x 29 cm. or smaller, in envelope 30 x 24 cm. + text (15 pages : maps ; 27 cm.)