Oil and Gas
Illinois State Geological Survey
American Association of Petroleum Geologists (AAPG)
Association of Petroleum Geochemical Explorationists - Geotech
Oil and Gas Mineral Services - information on mineral rights
Society of Exploration Geophysicists (SEG)
Society of Petroleum Engineers (SPE)
U.S. Department of Energy
(DOE)
Updated 9/29/2009 SLD