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You searched for: geology Remove constraint geology Creator Ojakangas, Richard W. Remove constraint Creator: Ojakangas, Richard W.

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Geologic map of Minnesota, Hibbing sheet, bedrock geology Maps maps university-of-minnesota

1970. Sims, Paul K., Morey, G.B., Ojakangas, Richard W., and Viswanathan, S. Map showing interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Hibbing quadrangle, ... Minnesota Geological Survey.

2.

Geologic map of Minnesota, Roseau sheet, bedrock geology Maps maps university-of-minnesota

1979. Ojakangas, Richard W., Mossler, John H., and Morey, G.B. Map showing interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Roseau quadrangle, s... Minnesota Geological Survey.