1910. Geological Survey (U.S.). Monograph LII Plate IV. 23 x 119 centimeters Scale 1:125,000 General Map Collection. A. Hoen & Co (Baltimore).
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1973. Sims, Paul K. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the western Vermilion district, scal... Minnesota Geological Survey.
1413. Geologic map of Wyoming
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).
1990. Setterholm, Dale R. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of Cretaceous age rocks, southwestern M... Minnesota Geological Survey.
1990. Setterholm, Dale R. Bedrock topography (elevation of the bedrock surface) of the sub-Cretaceous surface; Bedrock topography of the sub-Quaternary surface; Isopachs (th... Minnesota Geological Survey.
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).
1418. 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).