Precambrian geology and geochronology of Minnesota, Bulletin 41, Plate 1
Description
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of northeastern Minnesota, scale 1 inch = about 15 miles.
Creator
Baadsgaard, Halfdan, Goldich, Samuel S., 1909-, Hoffman, J. H. (John H.), Krueger, Harold W., Nier, Alfred O. (Alfred Otto), 1911-1994
Baadsgaard, Halfdan, Goldich, Samuel S., 1909-, Hoffman, J. H. (John H.), Krueger, Harold W., Nier, Alfred O. (Alfred Otto), 1911-1994 (1961). Precambrian geology and geochronology of Minnesota, Bulletin 41, Plate 1. Minnesota Geological Survey. https://reflections.mndigital.org/catalog/mgs:1054 (map)