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You searched for: geology Remove constraint geology Time Period 1950-1999 Remove constraint Time Period: 1950-1999
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Bedrock geologic map of northwestern Minnesota, M-92 minnesota

1999. Jirsa, Mark A., Chandler, Val W., and Runkel, Anthony C. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of northwestern Minnesota, scale 1:200,...