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You searched for: geology Remove constraint geology Creator Jirsa, Mark A. Remove constraint Creator: Jirsa, Mark A.

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1.

Bedrock geology of the Mesabi Iron Range, Minnesota, M-163 Maps maps university-of-minnesota

2005. Jirsa, Mark A., Chandler, Val W., and Lively, R.S. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Mesabi Iron Range, scale 1:100,000. Minnesota Geological Survey.

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Bedrock geologic map of northwestern Minnesota, M-80 Maps maps university-of-minnesota

1994. Jirsa, Mark A., Runkel, Anthony C., and Chandler, Val W. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of northwestern Minnesota, scale 1:250,... Minnesota Geological Survey.

18.

Bedrock geologic map of northwestern Minnesota, M-92 Maps maps university-of-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,... Minnesota Geological Survey.