1936. Schwartz, George M. (George Melvin), 1892-1980. East-West Cross Sections of the Metropolitan Area, scale 1 inch = about 15,000 feet. Minnesota Geological Survey.
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1936. Schwartz, George M. (George Melvin), 1892-1980. North-South Cross Sections of the Metropolitan Area, scale 1 inch = about 13,000 feet. Minnesota Geological Survey.
1936. Schwartz, George M. (George Melvin), 1892-1980. Map of the Glacial (Quaternary glacial and stream sediments) Deposits of the Metropolitan Area, scale 1 inch = about 4 miles. Minnesota Geological Survey.
1936. Schwartz, George M. (George Melvin), 1892-1980. Structural Contour (contour lines of equal elevation that map features in the subsurface produced by rock deformation or erosion), map of the Minne... Minnesota Geological Survey.
1936. Schwartz, George M. (George Melvin), 1892-1980. Map of Minneapolis showing the rock surface topography (elevation of the bedrock surface), scale 1 inch = about 2,250 feet. Minnesota Geological Survey.
1936. Schwartz, George M. (George Melvin), 1892-1980. Map of Saint Paul showing the rock surface topography, (elevation of the bedrock surface), scale 1 inch = about 2,500 feet. Minnesota Geological Survey.
1517. Geology of the Root River State Trail area, southeastern Minnesota, Educational Series-10, Plate 1
1999. Mossler, John H. Front, Sites of geologic interest along the Root River State Trail, southeastern Minnesota, West half, scale 1 inch = 1/2 mile. Minnesota Geological Survey.
1518. Geology of the Root River State Trail area, southeastern Minnesota, Educational Series-10, Plate 2
1999. Mossler, John H. Back, Sites of geologic interest along the Root River State Trail, southeastern Minnesota, Eest half, scale 1 inch = 1/2 mile. Minnesota Geological Survey.
1977. Listerud, W.H., Meineke, David G., and Ojakangas, Richard W. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Birchdale-Indus Area, Minnesota,... Minnesota Geological Survey.
1900. Hemperly, Marion R. The early road network has been imposed on a 1932 base map from the United States Department of the Interior, Geological Survey. Research of roads ... Georgia Dept. of Transportation (Atlanta, Ga).