Geology of the Cuyuna district, Minnesota: a progress report, Bulletin 36, Plate 1
Description:
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) around the Cuyuna district, Minnesota, scale 1 inch = 15 miles.
Creator:
Grout, Frank F. (Frank Fitch), 1880-1958 and Wolff, J.F., Sr.