American Association of Petroleum Geologists (AAPG)- Petroleum Geology Information (from AAPG)
Alaska Geological Society (AGS)
American Petroleum Institute (API)
Association of Engineering Geologists (AEG)
Association of Women Geologists (AWG)
California Well Sample Repository (CWSR)
Coast Geological Society (CGS)
Inactive Link: www.coastgeologicalsociety.org
Dibblee Foundation
Geological Society of America (GSA)
Houston Geological Society (HGS)
Los Angeles Basin Geological Society (LABGS)
Northern California Geological Society
Petroleum Technology Transfer Council (PTTC)
Rocky Mountain Association of Geologists (RMAG)
San Joaquin Geological Society (SJGS)
San Joaquin Valley Geology
SEPM (Society for Sedimentary Geology)- Pacific Section SEPM (PSSEPM)
Society of Exploration Geophysicists (SEG)
Society of Petroleum Engineers (SPE)
Society of Professional Well Log Analysts (SPWLA)- San Joaquin Well Logging Society (SJWLS)
South Coast Geological Society