Simple Bouguer gravity map of Minnesota and northwestern Wisconsin /

Bibliographic Details
Main Author:	Craddock, Campbell, 1930-
Other Authors:	Mooney, Harold Morton, Kolehmainen, Victoria
Format:	Map
Language:	English
Published:	[Minneapolis] : Geological Survey, University of Minnesota, 1970.
Series:	Miscellaneous map series ; M-10.
Subjects:	Gravity anomalies > Minnesota > Maps. Gravity anomalies > Wisconsin > Maps.

Description
Item Description:	Gravity information shown by gradient tints based on Bouguer gravity contours. "Base by U.S. Geological Survey, 1965." Accompanied by: A discussion to accompany Miscellaneous map series M-10. 14 pages illus. Cartographic material.
Physical Description:	color map ; 68 x 60 cm. folded in envelope 30 x 24 cm.