A colored postcard showing an artist's representation of water flowing over the spillway gates from Lake Mead into Hoover Dam, previously known as Boulder Dam, in Black Canyon. Transcribed onto the top border of the image: "Lake Mead Flowing over Spillway Gates, Boulder Dam."
"N.E. Johnson, photographer and publisher." Booklet consists primarily of photographs of the Colorado River in Black Canyon, prior to the construction of Hoover (Boulder) Dam, and photographs of people and businesses in early 20th-century Las Vegas.
Pinhole view of the Hoover Dam area looking west. The U.S. Construction Railroad and the Black Canyon highway is depicted in the foreground of the photograph.