In honor of George M. Schwartz Published by the Minnesota Geological Survey on the Occasion of its 100th Anniversary. Report divided into 5 subfiles due to size. 632 p., 2 pls.; Plate 1, Bedrock Geology of Minnesota Scale 1:1,000,000 (See also Miscellaneous Map Series M-14); Plate 2, Bouguer gravity anomaly map showing Midcontinent gravity high, scale 1 inch = about 45 miles.
Sims, P.K.; Morey, G.B..
Geology of Minnesota: A Centennial Volume.
Minnesota Geological Survey.
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