TY - RPRT TI - U.S. Geological Survey Assessment of Undiscovered Petroleum Resources of the Hamra Basin, Libya, 2006 AU - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey PY - 2007 DO - 10.3133/fs20063140 UR - https://pubs.usgs.gov/publication/fs20063140 ID - fs20063140 ER -