TY - RPRT TI - Petroleum systems and geologic assessment of undiscovered oil and gas, Hanna, Laramie, and Shirley Basins Province, Wyoming AU - Laramie and Shirley Basins Province Assessment Team U.S. Geological Survey Hanna PY - 2007 DO - 10.3133/ds69k UR - https://pubs.usgs.gov/publication/ds69K ID - ds69K ER -