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13
Geology and underground waters of southern Minnesota, by C...
United States congressional serial set ; serial set no. 6005;House document / 61st Congress, 3rd session. House ; no. 1034
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Gneisses, gabbro-schists, and associated rocks of southwest..
United States congressional serial set ; serial set no. 3829;House document / 55th Congress, 3rd session. House ; no. 302