TY - RPRT TI - Assessment of undiscovered oil and gas resources of the Chad Basin Province, North-Central Africa AU - Michael E. Brownfield AU - Christopher J. Schenk AU - Ronald R. Charpentier AU - Timothy R. Klett AU - Troy A. Cook AU - Richard M. Pollastro AU - Marilyn E. Tennyson PY - 2010 DO - 10.3133/fs20103096 UR - https://pubs.usgs.gov/publication/fs20103096 ID - fs20103096 ER -