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Start Over You searched for: Spatial Coverage Illinois Remove constraint Spatial Coverage: Illinois Year 1936 Remove constraint Year: 1936

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1. Fort Madison, Iowa-Ill

Yale Public content
1936. 2011-12-12T21:26:34Z. 2022-03-29T20:39:22Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Illinois and Iowa.

2. Keokuk, Ill.-Iowa-Mo.

Yale Public content
1936. 2011-12-12T21:26:02Z. 2022-03-29T20:39:15Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Illinois, Iowa, and Missouri.

3. Nashville, Ill

Yale Public content
1936. 2011-12-12T21:26:10Z. 2022-03-29T20:39:16Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Illinois.

4. Pecatonica, Ill.-Wis

Yale Public content
1936. 2011-12-12T21:26:15Z. 2022-03-29T20:39:17Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Illinois and Wisconsin.

5. Potomac, Ill

Yale Public content
1936. 2011-12-12T21:26:16Z. 2022-03-29T20:39:20Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Illinois.

6. Prophetstown, Ill

Yale Public content
1936. 2011-12-12T21:26:16Z. 2022-03-29T20:39:20Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Illinois.

7. Virginia, Ill

Yale Public content
1936. 2011-12-12T21:26:23Z. 2022-03-29T20:39:21Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Illinois.