Simple bouguer gravity map of southern part of Duluth complex and adjacent areas, Minnesota /

Bibliographic Details
Main Author:	Ikola, R. J. (Rodney J.)
Format:	Map
Language:	English
Published:	Minneapolis : Minnesota Geological Survey, University of Minnesota : Published in cooperation with Minnesota Dept. of Iron Range Resources and Rehabilitation, 1968.
Series:	Miscellaneous map series ; M-4.
Subjects:	Gravity > Minnesota > Maps.

Description
Item Description:	Gravity contour interval 2 milligals. "Base from U.S. Geological Survey, 1:250,000 ..." "Compiled in 1968." Includes location map. Cartographic material.
Physical Description:	1 map ; 123 x 85 cm. folded in envelope 30 x 24 cm.