1911. Geological Survey (U.S.). Shows drainage, state boundaries and principal cities. 43 x 71 centimeters Scale 1:7,000,000 General Map Collection. U.S. Geological Survey (Washington, D.C).
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1919. Geological Survey (U.S.). The rectangles indicate the areas shown on the accompanying maps.; "Divisions outlined and named by Association of American Geographers." 25 x 39 c... U.S. Geological Survey (Washington, D.C).
1923. Bond, Frank, 1856-1940. Published in: Boundaries, areas, geographic centers and altitudes of the United States and the several states / Edward M. Douglas. Washington : Gov... U.S. Geological Survey (Washington, D.C).
1930. Mitchell, John, 1711-1768. Published in: Boundaries, areas, geographic centers and altitudes of the United States and the several states / Edward M. Douglas. Washington : Gov... U.S. Geological Survey (Washington, D.C).
1923. Geological Survey (U.S.). Relief shown by hachures and spot heights.; Inset: Aleutian Islands.; "Alaskan Mineral Resources Branch. Alfred H. Brooks, chief Alaskan geologist.... U.S. Geological Survey (Washington, D.C).
1923. Geological Survey (U.S.). Relief shown by shading and spot heights.; Includes inset of Aleutian Islands.; In lower right margin: "Alaska map D." 82 x 122 centimeters Scale 1... U.S. Geological Survey (Washington, D.C).
1923. Disturnell, John, 1801-1877. Published in: Boundaries, areas, geographic centers and altitudes of the United States and the several states / Edward M. Douglas. Washington : Gov... U.S. Geological Survey (Washington, D.C).
1930. Disturnell, John, 1801-1877. Published in: Boundaries, areas, geographic centers and altitudes of the United States and the several states / Edward M. Douglas. Washington : Gov... U.S. Geological Survey (Washington, D.C).
1923. Path of the total solar eclipse of January 1925 overprinted on a map of the Northeastern United States.; Panel title.; Chart III from: Total eclips... U.S. Geological Survey (Washington, D.C).
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).