Geology of the anorthosites of the Minnesota coast of Lake Superior, Bulletin 28, Plate 4
Description
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of Township 58 North, Range 6 West and a portion of Township 58 North, Range 7 West, scale 1 inch = about 1/2 mile.
Creator
Grout, Frank F. (Frank Fitch), 1880-1958, Schwartz, George M. (George Melvin), 1892-1980
Grout, Frank F. (Frank Fitch), 1880-1958, Schwartz, George M. (George Melvin), 1892-1980 (1939). Geology of the anorthosites of the Minnesota coast of Lake Superior, Bulletin 28, Plate 4. Minnesota Geological Survey. (map)