American Association of Petroleum Geologists
American Association of Professional Landmen
Bureau of Land Management
Council of Petroleum Accountants Societies (COPAS)
Dwights
International Right of Way Association
Listing of Oklahoma Counties
Minerals Management Service
National Association of Division Order Analysts
National Association of Lease & Title Analysts
Oil Law Records
Oklahoma Corporation Commission
Oklahoma Independent Petroleum Association
Oklahoma University - Sarkeys Energy Center
Railroad Commission of Texas
U.S. Department of Energy
U.S. Department of Transportation's Office of Pipeline Safety
U.S. Dept. of Transportation (U.S. DOT)
University of Oklahoma Energy Management Program
