|Name||Corry Sandstone through Riceville Formation, undivided|
Sedimentary > Clastic > Sandstone (Bed)includes, in descending order: Corry Sandstone and Cussewago Sandstone; marine fossils common
Sedimentary > Clastic > Mudstone > Shale (Bed)includes, in descending order: Bedford Shale and Riceville Shale; marine fossils common.
Sedimentary > Clastic > Siltstone (Bed)
|Comments||Digital map differences from 1980 printed map: age changed from Mississippian and Devonian to Devonian; map symbol changed from MDcr to Dcr.|
Berg, T.M., Edmunds, W.E., Geyer, A.R., and others, compilers, 1980, Geologic map of Pennsylvania: Pennsylvania Geological Survey, 4th ser., Map 1, 2nd ed., 3 sheets, scale 1:250,000.
Pennsylvania Bureau of Topographic and Geologic Survey, Department of Conservation and Natural Resources, Miles, C.E., and Whitfield, T.G., compilers, 2001, Bedrock Geology of Pennsylvania, edition: 1.0, digital map, scale 1:250,000.
|Counties||Crawford - Erie - Forest - Mercer - Venango - Warren|