1982. Mossler, John H. and Olsen, Bruce M. Bedrock topography (elevation of the bedrock surface) map of Minnesota, scale 1:1,000,000. Minnesota Geological Survey.
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1982. Mossler, John H. and Olsen, Bruce M. Depth to bedrock (thickness of unconsolidated sediments overlying bedrock) map of Minnesota, scale 1:1,000,000. Minnesota Geological Survey.
1981. Morey, G.B., Olsen, Bruce M., and Southwick, David L. Map showing interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of East-Central Minnesota, ... Minnesota Geological Survey.
1970. Morey, G.B., Ojakangas, Richard W., Sims, Paul K., and Viswanathan, S., Dr. Map showing interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Hibbing quadrangle, ... Minnesota Geological Survey.
1979. Ojakangas, Richard W. and Southwick, David L. Map showing interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the International Falls ... Minnesota Geological Survey.
1970. Austin, George S., Grant, James A. (Geologist), Ikola, Rodney J., and Sims, Paul K. Map showing interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the New Ulm quadrangle, ... Minnesota Geological Survey.
1982. Goebel, Joseph E. and Hobbs, Howard C. Quaternary geology map showing interpretations of Quaternary (Pleistocene [glacial] and Holocene [post-glacial]) surficial geology (distribution an... Minnesota Geological Survey.
1979. Goebel, Joseph E. and Walton, Matt. Quaternary geology map showing interpretations of Quaternary (Pleistocene [glacial] and Holocene [post-glacial]) surficial geology (distribution an... Minnesota Geological Survey.
1979. Morey, G.B., Mossler, John H., and Ojakangas, Richard W. 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.
1966. Austin, George S. and Sloan, Robert E. (Robert Evan), 1929-. Map showing interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the St. Paul quadrangle,... Minnesota Geological Survey.