1932. Geological Survey (U.S.). Contour interval 20 feet;"Culture and drainage in part compiled from aerial photographs taken by Air Corps, U.S. Army.";"Surveyed in 1926 and 1928"... Geological Survey (U.S.), Geological Survey Division (Urbana, Ill.), and Kentucky Geological Survey (Lexington, Ky.).
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1929. Geological Survey (U.S.). Contour interval 20 feet.;"Culture and drainage in part compiled from aerial photographs taken by Air Corps, U.S. Army";"Surveyed in 1926";Relief s... Geological Survey (U.S.), Geological Survey Division (Urbana, Ill.), and Kentucky Geological Survey (Lexington, Ky.).
1929. Geological Survey (U.S.). Contour interval 20 feet.;"Illinos culture and drainage in part compiled from aerial photographs taken by Air Corps, U.S. Army";"Surveyed in 1926";... Geological Survey (U.S.), Geological Survey Division (Urbana, Ill.), and Kentucky Geological Survey (Lexington, Ky.).
324. Kern River oil field
1915. Geological Survey (U.S.). Relief shown by contours and spot heights.; In upper margin: California (Kern County) Kern River oil field. 78 x 76 centimeters, sheets 49 x 85 cen... U.S. Geological Survey (Washington, D.C).
1952. Geological Survey (U.S.). Contour interval 10 feet.;"Culture and drainage in part compiled from aerial photographs taken 1940. Topography by plane-table surveys 1930 and 195... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
1910. Geological Survey (U.S.) and Wilson, A. D. (W 106⁰19ʹ--W 106⁰13ʹ/N 39⁰16ʹ--N 39⁰13ʹ). Relief shown by contours and spot heights. "Surveyed in 1879. Railroads and some shafts added later.... The Survey (Washington, D.C).
1943. Geological Survey (U.S.). Contour interval 10 feet.;"Surveyed in 1929 and 1939-1940"; (W 88⁰15ʹ00ʺ--W 88⁰00ʹ00ʺ/N 39⁰15ʹ00ʺ--N 39⁰00ʹ00ʺ);Relief shown by contours and spot h... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
1914. Geological Survey (U.S.). Text and ill. on verso. 37 x 31 centimeters Scale approximately 1:380,160; 1 inch = 6 miles General Map Collection. U.S. Geological Survey (Washington).
1916. Geological Survey (U.S.). Relief shown by contours, spot heights and bathymetric isolines.; Title in lower right corner: Portland and vicinity; at head of map: Topography.; ... The Survey (Washington, D.C).
1999. Geological Survey (U.S.). This line shapefile portrays the major roads in the United States, Puerto Rico, and the U.S. Virgin Islands. The file was produced by joining the i... Geological Survey (U.S.).