1899. Geological Survey (U.S.). Relief shown by hypsometric tints and contours. 53 x 81 centimeters Scale approximately 1:1,600,000, General Map Collection. The Survey (Washington, D.C).
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1911. Geological Survey (U.S.). Relief shown by hypsometric tints and contours. 43 x 71 centimeters Scale 1:7,000,000 General Map Collection. The Survey (Washington, D.C).
1898. Geological Survey (U.S.). Relief shown by contours, hachures, and spot heights.; "Surveyed in 1896-1897."; "R.U. Goode, Geographer in charge. Triangulation by S.S. Gannett. ... U.S. Geological Survey (Washington, D.C).
1957. Geological Survey (U.S.). 1 map, colored;Contour interval 10 feet.;"Culture and drainage in part compiled from aerial photographs taken 1953-1954. Topography by planetable s... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
1949. Geological Survey (U.S.). Contour interval 10 feet.;"Culture and drainage in part compiled from aerial photographs taken 1937, 1939 and 1941. Topography by plane-table metho... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
1949. Geological Survey (U.S.). Contour interval 10 feet.;"Culture and drainage in part compiled from aerial photographs taken 1938. Topography by plane-table methods, 1946.";Reli... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
1917. Geological Survey (U.S.). Surveyed in 1913-1915.; Relief shown by contours and spot heights. 124 x 112 centimeters Scale 1:31,680 General Map Collection. The Survey (Washington).
1917. Geological Survey (U.S.). Surveyed in 1913-1915.; Relief shown by contours and spot heights. 124 x 112 centimeters Scale 1:31,680 General Map Collection. The Survey (Washington).
1917. Geological Survey (U.S.). Relief shown by contours and spot heights.; Includes notes. 117 x 106 centimeters Scale 1:31,680 General Map Collection. Department of the Interior, U.S. Geological Survey (Washington).
1929. Geological Survey (U.S.). Relief shown by contours and spot heights.; Road overprint dated "Jan. 1929" printed in red.; "Culture revised in 1927 ..."; Includes notes. 117 x ... Dept. of the Interior, U.S. Geological Survey (Washington, D.C).