Founded in 1919, The Dallas Geological Society a constituent member of the Southwest Section of the American Association of Petroleum Geologists (AAPG) and, as a non-profit entity, strives to advance the professional interests of all geoscientists in the Dallas area, regardless of the geoscientific discipline they practice or the industry in which they serve. The DGS currently serves over 600 members. DGS cooperates with other geological organizations such as the Geological Society of America (GSA), the Society of Independent Professional Earth Scientists, the American Geophysical Union, the Society of Exploration Geophysicists, and the Dallas Geophysical Society to provide information and services to our members. The Dallas Geological Society has close coordination ties with Ellison Miles Geotechnology Institute (EMGI).