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Sims, Paul K.
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Ojakangas, Richard W.
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1970
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1. Geologic map of Minnesota, Hibbing sheet, bedrock geology
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, ...