Simple Bouguer gravity map of Minnesota, Two Harbors sheet /

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 Conservation and Minnesota Dept. of Iron Range Resources and Rehabilitation, 1970.
Series:Miscellaneous map series ; M-9.
Subjects:
Description
Item Description:"Transverse Mercator projection."
Gravity contour interval at 2 and 10 milligals.
"Contour interval 50 feet."
"Topographic base from U.S. Geological Survey 1:250,000 ..."
"Compiled in 1967 and 1968."
Includes location map.
Cartographic material.
Physical Description:1 map ; 58 x 75 cm. folded in envelope 30 x 24 cm.