Year: 1929 / Resource Type: Topographic maps / Publisher: Geological Survey Division (Urbana, Ill.) - GeoBlacklight Search Results

Start Over Year 1929 Resource Type Topographic maps Publisher Geological Survey Division (Urbana, Ill.)

1. Illinois, Mt. Sterling quadrangle

1929. Geological Survey (U.S.). Relief shown by contours and spot heights.;"Surveyed in 1925-1926.";Contour interval 20 feet;1 map, colored;45 x 35 cm.;1:62,500. Geological Survey Division (Urbana, Ill.) and Geological Survey (U.S.).

2. Kentucky-Illinois Paducah quadrangle.

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.).

3. Kentucky-Illinois Smithland quadrangle

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.).