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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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).
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).
524. 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).
1903. Indiana. Department of Geology and Natural Resources. Issued in 2 sections. 17x111 Centimeters in cover 31x22 Centimeters Scale: 4 miles to 1 inch. General Map Collection. W.B. Burford, lith (Indianapolis, Ind).
1908. Lane, Alfred C. (Alfred Church), 1863-1948. Contours added by Alfred C. Lane, 1908.; Oriented with north toward the upper right.; From: Michigan. Geological Survey. Annual report, 1909. Plate... Geological Survey of Michigan (Lansing).
1910. Cram, George Franklin, 1841-1928. Relief shown by hachures.; Continued by inset of western most section of state. 69 x 97 centimeters Scale approximately 1:625,000 General Map Colle... Geo. F. Cram (Chicago, Ill).
1879. Geographical and Geological Survey of the Rocky Mountain Region (U.S.), Newton, Henry, 1845-1877, and Powell, John Wesley, 1834-1902. 1 in. = 4 miles. (W 104°45ʹ--W 102°15ʹ/N 44°45ʹ--N 43°30ʹ). Relief shown by contours, hachures and spot heights. "Field work 1875. Publication ... U.S. Geological Survey (Washington, D.C).