1978. Morey, G.B. and Nathan, H.D. (Geologist). Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Gunflint Lake quadrangle, scale ... Minnesota Geological Survey.
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1977. Mathez, E.A., Morey, G.B., and Nathan, H.D. (Geologist). Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Hungry Jack Lake quadrangle, sca... Minnesota Geological Survey.
1989. Boerboom, Terrence J., Green, John C., 1932-, and Miller, James D., Jr. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Illgen City quadrangle, scale 1:... Minnesota Geological Survey.
1969. Davidson, D.M., Jr. Map showing interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Kawishiwi Lake quadr... Minnesota Geological Survey.
1982. Cannon, William F., Morey, G.B., Mudrey, Mike G., Jr., Sims, Paul K., and Southwick, David L. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of Minnesota and the Lake Superior regi... Minnesota Geological Survey.
1977. Anderson, D.H. (Geologist), Morey, G.B., Papike, J. J. (James Joseph), 1937-2020, and Weiblen, Paul W. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Long Island Lake quadrangle, sca... Minnesota Geological Survey.
1970. Hogberg, Rudolph K. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Minneapolis Quadrangle, Minnesot... Minnesota Geological Survey.
1970. Hogberg, Rudolph K. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Minneapolis Quadrangle, Minnesot... Minnesota Geological Survey.
1992. Green, John C., 1932-. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments), North Shore of Lake Superior, scale 1:... Minnesota Geological Survey.
1969. Davidson, D.M., Jr. Map showing interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Perent Lake quadrang... Minnesota Geological Survey.