1990. 2016-06-07T13:43:24Z. 2016-08-20T21:02:55Z. Trask, C. Brian. Illinois Dept. of Energy and Natural Resources, Illinois State Geological Survey. English. cartographic image. Public. Illinois, Johnson County, Williamson County, Creal Springs Region, U.S., Johnson County., and Williamson County.
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1990. 2016-06-07T13:45:25Z. 2016-08-20T21:14:14Z. Nelson, W. John. Illinois Dept. of Energy and Natural Resources, Illinois State Geological Survey. English. cartographic image. Public. Illinois, Pope County, Saline County, Eddyville Region, U.S., Pope County., and Saline County.
1986. 2016-06-07T13:38:25Z. 2016-08-20T21:14:14Z. Nelson, W. John. Illinois Dept. of Energy and Natural Resources, Illinois State Geological Survey. English. cartographic image. Public. Illinois, Gallatin County, U.S., and Gallatin County.
1986. 2016-06-07T13:40:47Z. 2016-08-20T21:14:14Z. Nelson, W. John. Illinois Dept. of Energy and Natural Resources, Illinois State Geological Survey. English. cartographic image. Public. Illinois, Saline County, U.S., and Saline County.
1986. 2016-06-06T17:16:50Z. 2016-08-20T21:14:10Z. Nelson, W. John. Illinois Dept. of Energy and Natural Resources, Illinois State Geological Survey. English. cartographic image. Public. Illinois, Gallatin County, U.S., and Gallatin County.
1990. 2016-06-07T13:47:27Z. 2016-08-20T21:02:56Z. Nelson, W. John. Illinois Department of Energy and Natural Resources, Illinois State Geological Survey. English. cartographic image. Public. Illinois, Johnson County, Pope County, Saline County, Johnson County (Ill.), Pope County (Ill.), Saline County (Ill.), Stonefort Region, U.S., Johnson County., Pope County., and Saline County.
1996. 2002-06-01T04:00:00Z. 2016-02-01T20:05:42Z. Geological Survey (U.S.). U.S. Geological Survey ; For sale by U.S. Geological Survey Information Services. English. cartographic image. Public. Wabash River Valley, U.S., United States, and Wabash River Valley.
1996. 2002-06-01T04:00:00Z. 2016-07-16T21:16:12Z. Geological Survey (U.S.). U.S. Geological Survey ; For sale by U.S. Geological Survey Information Services. English. cartographic image. Public. Wabash River Valley, U.S., United States, and Wabash River Valley.
