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452. Precambrian geology and geochronology of Minnesota, Bulletin 41, Plate 1

Maps University Of Minnesota Public content
1961. Baadsgaard, Halfdan, Goldich, Samuel S., 1909-, Hoffman, J. H. (John H.), Krueger, Harold W., and Nier, Alfred O. (Alfred Otto), 1911-1994. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of northeastern Minnesota, scale 1 inc... Minnesota Geological Survey.

453. Precambrian geology and geochronology of Minnesota, Bulletin 41, Plate 2

Maps University Of Minnesota Public content
1961. Baadsgaard, Halfdan, Goldich, Samuel S., 1909-, Hoffman, J. H. (John H.), Krueger, Harold W., and Nier, Alfred O. (Alfred Otto), 1911-1994. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of east-central Minnesota, scale 1 inch... Minnesota Geological Survey.

454. Precambrian geology and geochronology of Minnesota, Bulletin 41, Plate 3

Maps University Of Minnesota Public content
1961. Baadsgaard, Halfdan, Goldich, Samuel S., 1909-, Hoffman, J. H. (John H.), Krueger, Harold W., and Nier, Alfred O. (Alfred Otto), 1911-1994. Map of the Minnesota-Ontario border region, showing location of dated samples, scale 1 inch = about 20 miles. Minnesota Geological Survey.

455. Precambrian geology and geochronology of Minnesota, Bulletin 41, Plate 4

Maps University Of Minnesota Public content
1961. Baadsgaard, Halfdan, Goldich, Samuel S., 1909-, Hoffman, J. H. (John H.), Krueger, Harold W., and Nier, Alfred O. (Alfred Otto), 1911-1994. Map of western part of the Lake Superior region, Minnesota, showing location of samples that were age-dated by radioactive isotope methods, scale 1... Minnesota Geological Survey.

456. Precambrian geology and geochronology of Minnesota, Bulletin 41, Plate 5

Maps University Of Minnesota Public content
1961. Baadsgaard, Halfdan, Goldich, Samuel S., 1909-, Hoffman, J. H. (John H.), Krueger, Harold W., and Nier, Alfred O. (Alfred Otto), 1911-1994. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Granite Falls area, Minnesota, s... Minnesota Geological Survey.

458. Preliminary geological map of Minnesota

Maps University Of Minnesota Public content
1872. Winchell, N. H. (Newton Horace), 1839-1914. Geologic map of Minnesota, scale 1 inch = 20 miles. Minnesota Geological Survey.