TY - RPRT TI - Oil and gas data from Paleozoic rocks in the Appalachian Basin; maps for assessing hydrocarbon potential and thermal maturity (conodont color alteration isograds and overburden isopachs) AU - A. G. Harris AU - Larry D. Harris AU - J. B. Epstein PY - 1978 DO - 10.3133/i917e UR - https://pubs.usgs.gov/publication/i917E ID - i917E ER -