TY - RPRT TI - Thermal maturity patterns (CAI and %Ro) in the Ordovician and Devonian rocks of the Appalachian basin in Pennsylvania AU - John E. Repetski AU - Robert T. Ryder AU - John A. Harper AU - Michael H. Trippi PY - 2002 DO - 10.3133/ofr2002302 UR - https://pubs.usgs.gov/publication/ofr2002302 ID - ofr2002302 ER -