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Author
Boerboom, Terrence J.
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Subject
Geoscientific Information
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Institution
Minnesota
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Year
1990
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1. Bedrock geologic map of parts of Koochiching, Itasca, and Beltrami Counties, north-central Minnesota, M-67
1990. Jirsa, Mark A. and Boerboom, Terrence J. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments), north-central Minnesota, scale 1:250,000.