Useful Links:
Regional Geology
Pennsylvania Geologic and Topographic Survey
West Virginia Geological Survey
The Carnegie Museum of Natural History
University of Pittsburgh, Department of Geology and Planetary Science
Fossils
Plant Fossils of West Virginia
Paleontological Museum of Oslo, Norway
History of Geology
Sedimentology
Society for Sedimentary Geology (SEPM)
Sedimentary Geology at Penn State
Other