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.
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1966. 2012-01-12T21:14:59Z. 2012-03-05T17:32:45Z. Amos, Dewey Harold, 1925-. U.S. Geological Survey. English. Public. Kentucky, Livingston County, Illinois, and Pope County.
1966. 2012-01-13T15:28:50Z. 2012-03-05T17:32:55Z. Amos, Dewey Harold, 1925-. U.S. Geological Survey. English. Public. Kentucky, Livingston County, Marshall County, McCracken County, Illinois, Pope County, and Massac 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.
1919. 2013-03-15T13:11:09Z. 2013-03-15T13:11:09Z. Sardeson, Frederick W. (Frederick William), 1866-1958. The Survey. English. Public. Minnesota, Big Stone County, Douglas County, Grant County, Pope County, Stevens County, and États-Unis.