An aerial image of construction on roads and a bridge across the Colorado River at the Hoover (Boulder) Dam construction site. Noted on photo: "Taken by FAB."
An aerial image of construction on roads and a bridge across the Colorado River at the Hoover (Boulder) Dam construction site. Noted on photo: "Taken by FAB."
Looking down at the shoreline of the Colorado River near the Hoover Dam construction site. This where the construction workers would usually conduct the blasts.
Mr. Martin responding to John Wittwer regarding Department of Agriculture priorities and costs for flood control projects in the Moapa Valley. Letter signed by the Acting Regional Engineer for J. P. Martin.