http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Assessment of undiscovered oil and gas resources of the Permian Basin Province of west Texas and southeast New Mexico, 2007
1 online resource (4 unnumbered pages) : color illustrations, map.
Title from PDF title screen (viewed on Mar. 3, 2008).
Includes bibliographical references (page [4]).
National assessment of oil and gas fact sheet
Fact sheet (Geological Survey (U.S.)) ; 2007-3115