1930
On 11 March, 29 men and one woman met in Houston at the University Club to found the Society of Economic Geophysicists. Donald C. Barton was elected the first president. On 20 May, a constitution and bylaws were adopted, and two papers were published in mimeograph form.
1931
The group’s name was changed to Society of Petroleum Geophysicists (SPG), and the first convention was held in conjunction with the American Association of Petroleum Geologists (AAPG).
1932
SPG became the “Division of Geophysics of the AAPG.” The Society continued to meet with AAPG through 1955.
