Geologic image in the Kentucky Geological Survey data repository.Image Name: Fort Payne Formation Image Date: 1/1/2009 Category: photo_outcrop Source: Potter, Paul Format: TIF Size (MB): 5.75 Pixel Dimensions: 1764 x 1138 Description: Looking north at brown weathering dolomite beds of the Mississippian Fort Payne Formation in hackly, gray silty and calcareous shale at end of Old Roena Road, Lake Cumberland State Resort Park, Russell Co., KY. Fresh pieces are gray, uniform, hard argillaceous dolomite.