1909. Van Hise, Charles Richard, 1857-1918. Relief shown by contours.; Covers area from Cranberry Lake to Gogebic Lake.; "Contour interval 20 feet."; "U.S. Geological Survey." "Monograph LII,... U.S. Geological Survey (Washington, D.C).
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1916. Smith, James Perrin, 1864-1931. Relief shown by hachures and spot heights.; Also shows oil fields. 146 x 119 centimeters on 2 sheets 79 x 124 centimeters Scale approximately 1:750... The Bureau (San Francisco), 1916.
1925. University of New Mexico. Black line copy. 85 x 77 centimeters Scale approximately 1:750,000; 1 inch = 12 miles. General Map Collection. The University (Albuquerque).
1910. Geological Survey (U.S.). Monograph LII Plate IV. 23 x 119 centimeters Scale 1:125,000 General Map Collection. A. Hoen & Co (Baltimore).
1925. Geological Survey (U.S.). Color chart of rock formations, with explanatory notes, in margin.; Inset: Key map of state. 89 x 117 Centimeters, sheets 102 x 75 and 102 x 77 Cen... U.S. Geological Survey (Washington).
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.
1858. Rogers, Henry D. (Henry Darwin), 1808-1866. Relief shown by hachures.; Shows 3 categories of "coal measures," umbral, vespertine, railroads, tunnels, mines, section lines, and populated place... W. & A.K. Johnston (Edinburgh).
958. Geological and topographical map of the northern part of the Lake of the Woods and adjacent country
1885. Lawson, Andrew C. (Andrew Cowper), 1861-1952. Includes notes and sources of information. 61 x 93 centimeters Scale 1:126,720; 2 miles to 1 inch General Map Collection. Geological and Natural History Survey of Canada (Canada).
1878. Irving, Roland Duer, 1847-1888. At top right: "Plate Number XXII."; "The Magnetic Belt and underlying formations of the Huronian across T. 44, R. 5 W., where the rocks are conceal... Mithwaukee Litho. & Engr. Co (Milwaukee, Wisconsin).
1913. Geological Survey of Canada. To accompany Memoir No. 29; "C.-O. Senécal, Geographer and Chief Draughtsman." 52 x 85 centimeters Scale 1:2,217,600 General Map Collection. Canada Dept. of Mines, Geological Survey (Ottawä).