Subject: Geology / Spatial Coverage: Johnson County. - Yale University Library GeoBlacklight Search Results

1. Fence diagram showing coal bed correlations within the upper part of the Fort Union Formation, in and adjacent to the eastern part of the Kaycee 30ʹ x 60ʹ quadrangle, Johnson and Campbell Counties, Wyoming

1986. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; For sale by Branch of Distribution, U.S. Geological Survey. English. Public. Wyoming and Johnson County.

2. Geologic map of the Creal Springs quadrangle, Illinois

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.

3. Geologic map of the Stonefort quadrangle, Illinois

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.