TY - RPRT TI - Assessment of undiscovered shale-oil and shale-gas resources in the Berkine, Illizi, Hamra, Murzuq, and Erdis Kufra Basins of northern Africa, 2026 AU - Michael E. Brownfield AU - Christopher J. Schenk AU - Tracey J. Mercier AU - Kristen R. Marra AU - Cheryl A. Woodall AU - Thomas M. Finn AU - Phuong A. Le AU - Heidi M. Leathers-Miller AU - Ronald M. Drake II AU - Scott A. Kinney PY - 2026 DO - 10.3133/fs20263021 UR - https://pubs.usgs.gov/publication/fs20263021 ID - fs20263021 ER -