Volume 8, Number 1 (1940)
A Preliminary List of the Odonata of Dallas County Texas
Possibility of an Additional Meteorite Crater near Odessa, Texas
John D. Boon and Claude C. Albritton Jr.
Sequent Occupance in the Central City Area, Colorado
Mary Grace Gillespie
River Terraces in the Carrollton Area, Dallas County, Texas
L. Gray Pattillo Jr.