Map showing geology, oil and gas fields, and geologic provinces of the Gulf of Mexico region [electronic resource]. - vers. 1.0. - [S.l.] : U.S. department of the interior : U.s. geological survey, 2005. - 1 compact disc (CD-ROM) ; 12 cm.. - (USGS : OFR ; 97-470-L). - System requirements: (Internet explorer or Netscape Navigator 7.1 recommended). - ISBN 141130760-7[MFN: 2252]