Minnesota Digital Library

Preliminary geological map of Minnesota

Preliminary geological map of Minnesota
Geologic map of Minnesota, scale 1 inch = 20 miles. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22593.pdf
1872
English
op1872 Pl1
umn22593
Grant provided to the Minnesota Digital Library Coalition through the Library Services and Technology Act (LSTA) and the State Library Services and School Technology unit of the Minnesota Department of Education
No Copyright - United States
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