TY - RPRT TI - Geochemistry of selected oil and source rock samples from Cambrian and Ordovician strata, Ohio-West Virginia-Tennessee part of the Appalachian Basin AU - Robert T. Ryder AU - Robert Carlton Burruss AU - Joseph R. Hatch PY - 1991 DO - 10.3133/ofr91434 UR - https://pubs.usgs.gov/publication/ofr91434 ID - ofr91434 ER -