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.
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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.
1982. Green, John C., 1932-. Map showing interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Two Harbors quadrang... Minnesota Geological Survey.
1912. Lewis, J. Volney (Joseph Volney), 1869-1969. Compiled from published folios and from manuscript data in possession of the Survey....by J. Volney Lewis and Henry B. Ku?mmel 1910-1912. 118 x 62 ... Geological Survey of New Jersey.
1912. Lewis, J. Volney (Joseph Volney), 1869-1969. Compiled from published folios and from manuscript data in possession of the Survey....by J. Volney Lewis and Henry B. Ku?mmel 1910-1912. 118 x 62 ... Geological Survey of New Jersey.
1985. Bauer, Robert L. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Norwegian Bay quadrangle, scale ... Minnesota Geological Survey.
1377. Geologic map of Oklahoma
1926. Miser, Hugh D. (Hugh Dinsmore), 1884-1969. Prepared in 1923 and 1924 in cooperation with the geologists of Okalhoma, ... ; the oil companies of Oklahoma; and the Oklahoma Geological Survey."... U.S. Geological Survey (Washington, D.C).
1910. A. Hoen & Co., Bayley, William Shirley, 1861-1943, and U.S. Lake Survey. Cartographic Details: Scale 1:22500. "By W.S. Bayley, 1890." Relief shown by contours. Includes 2 cross section insets and legend of rock types. "M... U.S. Geological Survey (Washington, D.C.), 1910.
1977. Mudrey, M.G., Jr. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Pigeon Point quadrangle, scale 1... Minnesota Geological Survey.
2002. Southwick, David L. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments), pre-Cretaceous rocks, southwestern Min... Minnesota Geological Survey.