National Geographic : 1941 Jun
The National Geographic Magazine Photograph by Cy La Tour and Son This Big Hook Can Pull a Mile of Pipe Up from the Earth Stacked at right are the long "stands" or sections of pipe just drawn from this California well. Drill pipes must be brought to surface now and then to change the bit or repair a twist-off or other mishap. The "tower man" wears a safety belt and a helmet. The day before this picture was made, a tower man, failing to fasten his belt, fell from this platform, 85 feet above ground, and was killed.