1853. Cartographic Details: Scale approximately 1:253,440. 4 British miles = 1 in. (E 87°48'00"--E 89°30'00"/N 23°26'00"--N 21°31'00"). Relief shown pict... Surveyor General's Office; Calcutta.
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1916. Geological Survey (U.S.). Congressional districts are outlined and numbered in purple.; Insets: Mesabi Range -- St. Paul-Minneapolis and vicinity -- Duluth-Superior and vici... Dept. of the Interior (Washington, D.C).
1921. Langdon, James G. Also covers part of Anacostia Park. "January 1921." Includes text. 29 x 20 centimeters Scale approximately 1:32,000 General Map Collection. (Washington?).
1918. Harder, E.C. and Johnston, A. W. (A. Walfred). Map of East Central Minnesota showing location of rock outcrops (location of rocks exposed at the land surface), scale 1 inch = 10 miles. Minnesota Geological Survey.
1918. Harder, E.C. and Johnston, A. W. (A. Walfred). Map of the principal part of the Cuyuna Iron-ore District, showing the distribution of known iron-bearing rocks and lines of maximum magnetic attra... Minnesota Geological Survey.
1918. Harder, E.C. and Johnston, A. W. (A. Walfred). Map and sections showing the geology and workings of the Rowe Mine, Cuyuna Iron-ore District, surveyed in July, 1915, scale 1 inch = about 130 feet. Minnesota Geological Survey.
1918. Harder, E.C. and Johnston, A. W. (A. Walfred). Map and sections showing the geology and workings of the Pennington, Armour No. 1, and Armour No. 2 Mines, Cuyuna Iron-ore District, Minnesota, sur... Minnesota Geological Survey.
1918. Harder, E.C. and Johnston, A. W. (A. Walfred). Map and sections showing the geology and workings of the Thompson Mine, Cuyuna Iron-ore District, surveyed July, 1915, scale 1 inch = 130 miles. Minnesota Geological Survey.
1877. Geological Survey of India. Cartographic Details: Scale 1:4055040. 1 in. to 64 miles. To accompany: A manual of the geology of India. Pt. 1-2. Calcutta: Geological Survey Offi... Office of Surveyor General of India ; Calcutta.
1883. Olmsted, Frederick Law, 1822-1903. Inset: Boston harbor. 55 x 50 centimeters Scale approximately 1:3,650 City Maps. Boston Park Department (Boston).