Assessment of undiscovered oil and gas resources of the Illinois Basin, 2007
Contributors: Geological Survey (U.S.)
Series: Fact sheet -- 2007-3058
Publisher: U.S. Dept. of the Interior, U.S. Geological Survey
Published: 2007
Place of publication: [Reston, VA]
Language: eng
Format: Electronic resource
Subjects: Oil fields -- Illinois Basin
Notes: Title from title screen (viewed on Aug. 21, 2007)

"National assessment of oil and gas fact sheet."

"August 2007."

Mode of access: Internet from the USGS web site. Address as of 8/21/07: http://pubs.usgs.gov/fs/2007/3058/fs2007-3058.pdf; current access via PURL