A sign along the side of a road that reads: "Notice - Vehicles transporting explosives - STOP 1000 ft ahead - telephone for instructions." The smaller sign reads: "Unauthorized explosives - Nevada Test Site."
Color image of protesters demonstrating against nuclear testing near the side of the highway leading to the Nevada Test Site. Police are visible in the background.
The grayscale, panoramic view of the area where the construction site of Boulder City was. A train and railroad tracks can be seen in the distant, rocky background.
The grayscale, panoramic view of the area where the construction site of Boulder City was. A train and railroad tracks can be seen in the distant, rocky background.
Color image showing an artist's rendering of the Colorado River, looking upstream, at the Boulder Dam site. Note: Boulder Dam was officially renamed Hoover Dam in 1947.