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Start Over Year 1937 Publisher Geological Survey (U.S.)|Geological Survey Division (Urbana, Ill.) Bounding Box -86.51116 39.149274 -86.508949 39.150938

1. Illinois (Hancock County), Carthage quadrangle

University Of Illinois Urbana Champaign Public content
1937. Geological Survey (U.S.). Contour interval 10 feet.;"Surveyed in 1921-1922 and 1931-1933.";Relief shown by contours and spot heights.;Shows roadway classification as of 1936... Geological Survey (U.S.)|Geological Survey Division (Urbana, Ill.).

2. Illinois, Mattoon quadrangle

University Of Illinois Urbana Champaign Public content
1937. Geological Survey (U.S.). Contour interval 10 feet.;"Culture and drainage in part compiled from aerial photographs taken by Air Corps, U.S. Army.";Relief shown by contours a... Geological Survey (U.S.)|Geological Survey Division (Urbana, Ill.).

3. Illinois, Orion quadrangle.

University Of Illinois Urbana Champaign Public content
1937. 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 1930-1932";Re... Geological Survey (U.S.)|Geological Survey Division (Urbana, Ill.).

4. Illinois, Sycamore quadrangle

University Of Illinois Urbana Champaign Public content
1937. Geological Survey (U.S.). Contour interval 10 feet;"Surveyed in 1929 and 1933-1934";Relief shown by contours and spot heights.;Shows roadway classification as of 1936.;1 map... Geological Survey (U.S.)|Geological Survey Division (Urbana, Ill.).

5. Illinois-Iowa, Lomax quadrangle

University Of Illinois Urbana Champaign Public content
1937. Geological Survey (U.S.). Contour interval 10 feet;"Culture and drainage in part compiled from aerial photographs taken by Air Corps, U.S. Army";"Surveyed in 1931-1932";Reli... Geological Survey (U.S.)|Geological Survey Division (Urbana, Ill.).

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