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

1961. Goldich, Sam S., Nier, Al O., Baadsgaard, H., Hoffman, J.H., and Krueger, H.W. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of northeastern Minnesota, scale 1 inc...

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

1961. Goldich, Sam S., Nier, Al O., Baadsgaard, H., Hoffman, J.H., and Krueger, H.W. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of east-central Minnesota, scale 1 inch...

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

1961. Goldich, Sam S., Nier, Al O., Baadsgaard, H., Hoffman, J.H., and Krueger, H.W. Map of the Minnesota-Ontario border region, showing location of dated samples, scale 1 inch = about 20 miles.

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

1961. Goldich, Sam S., Nier, Al O., Baadsgaard, H., Hoffman, J.H., and Krueger, H.W. Map of western part of the Lake Superior region, Minnesota, showing location of samples that were age-dated by radioactive isotope methods, scale 1...

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

1961. Goldich, Sam S., Nier, Al O., Baadsgaard, H., Hoffman, J.H., and Krueger, H.W. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Granite Falls area, Minnesota, s...