1968. Bounding Box (W,S,E,N): -93.9791,44.4981,-92.8021,45.361 Ecological Study for the Twin Cities Metropolitan Area. Wallace, McHarg, Roberts and Todd.
1968. Map of Foundation Conditions prepared for the Metropolitan Council as a part of An Ecological Study for the Twin-Cities Metropolitan Area. Scale 1:... Wallace, McHarg, Roberts and Todd.
1968. Chart of Generalized Geologic Section - Aquifers and Ground Water Movement prepared for the Metropolitan Council as a part of An Ecological Study f... Wallace, McHarg, Roberts and Todd.
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.
1968. Chart of Geologic Units and Aquifers prepared for the Metropolitan Council as a part of An Ecological Study for the Twin-Cities Metropolitan Area. ... Wallace, McHarg, Roberts and Todd.
1876. Winchell, N. H. (Newton Horace), 1839-1914. Cartographic Details: Scale not given. Photocopy. "1876." 58 x 49 centimeters Scale not given. Minnesota County Maps, Plat Books, and Atlases.
1876. Winchell, N. H. (Newton Horace), 1839-1914. "The fifth annual report of the Geological and Natural History Survey of Minnesota"-- upper right margin.; Relief shown by hachures.; Shows railroa... publisher not identified (United States).