TY - RPRT TI - Definition of Greater Gulf Basin Lower Cretaceous and Upper Cretaceous lower Cenomanian Shale Gas Assessment Unit, United States Gulf of Mexico basin onshore and state waters AU - Kristin O. Dennen AU - Paul C. Hackley PY - 2012 UR - https://pubs.usgs.gov/publication/70176229 ID - 70176229 ER -