Yeeee hawwww. Although mostly known now for producing chips for large-screen TVs and cell phones, Texas Instruments was first called Geophysical Service Inc. (GSI), and it specialized in seismology equipment for . The crewman at the bottom right of the picture (with the scarf) operates a piece of equipment that records seismic signals reflected off a horizon deep in the earth. The photographed blast in the South Louisiana field was set intentionally.
The workers stand on a marsh buggy designed by an early employee, Ken Burg.
Much of the is chronicled in "Engineering the World: Stories from the First 75 Years at Texas Instruments," published by Caleb Pirtle III.