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

Creators:
Goldich, Sam S., Nier, Al O., Baadsgaard, H., Hoffman, J.H., and Krueger, H.W.
Description:
Map of the Minnesota-Ontario border region, showing location of dated samples, scale 1 inch = about 20 miles.
Publisher:
Minnesota Geological Survey
Collection:
Minnesota Geological Survey
Place:
Minnesota, United States
Subjects:
Environment and Geoscientific Information
Type:
Image
Year:
1961
Contributed by:
Minnesota
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