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Start Over Year 1936 Access Public Bounding Box -86.51116 39.149274 -86.508949 39.150938

2. Drainage basins: [Indiana]

Public content
1936. Blueprint.; Shows major drainage basins of Indiana with major rivers, counties and cities. Scale approximately 1:500,000. The Board.

3. Illinois Nashville quadrangle.

University Of Illinois Urbana Champaign Public content
1936. Geological Survey (U.S.). Contour interval 10 feet.;"Surveyed in 1908, 1931 and 1932.";Relief shown by contours and spot heights.;Shows roadway classification as of 1935.;1 ... Geological Survey (U.S.)|Geological Survey Division (Urbana, Ill.).

4. Illinois, Potomac quadrangle.

University Of Illinois Urbana Champaign Public content
1936. Geological Survey (U.S.). Contour interval 10 feet;"Surveyed in 1931-1932";(W 88⁰00ʹ00ʺ--W 87⁰45ʹ00ʺ/N 40⁰30ʹ00ʺ--N 40⁰15ʹ00ʺ);Relief shown by contours and spot heights.;Sho... Geological Survey (U.S.)|Geological Survey Division (Urbana, Ill).

5. Illinois, Prophetstown quadrangle.

University Of Illinois Urbana Champaign Public content
1936. 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 1928 and 1931-1... Geological Survey (U.S.)|Geological Survey Division (Urbana, Ill.).

6. Illinois, Virginia quadrangle

University Of Illinois Urbana Champaign Public content
1936. Geological Survey (U.S.). Contour interval 10 feet.;"Surveyed in 1928 and 1932."; (W 90⁰15ʹ00ʺ--W 90⁰00ʹ00ʺ/N 40⁰00ʹ00ʺ--N 39⁰45ʹ00ʺ);Relief shown by contours and spot heigh... Geological Survey (U.S.)|Geological Survey Division (Urbana, Ill.).

7. Iowa-Illinois, Fort Madison quadrangle

University Of Illinois Urbana Champaign Public content
1936. 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 1928 and 1933... Geological Survey (U.S.)|Geological Survey Division (Urbana, Ill.).