GDL Links

AAPG

Bureau of Economic Geology

Bureau of Land Management

Dallas Geological Society

Gas Research Institute

HGS - Houston Geological Society

Map of World Including Distances

Oil & Gas Personnel Placement

SIPES - Houston Chapter

SPE - Gulf Coast Section

Software, Periodicals, etc.

South Texas Geological Society

Texas Natural Resources System

Texas Rail Road Commission

USGS

West Texas Geological Society