TY - RPRT TI - Geologic assessment of undiscovered gas resources in Cretaceous–Tertiary coal beds of the U.S. Gulf of Mexico Coastal Plain AU - Peter D. Warwick PY - 2022 DO - 10.3133/ofr20171167 UR - https://pubs.usgs.gov/publication/ofr20171167 ID - ofr20171167 ER -