View from the top of Boulder Dam (Hoover Dam), looking over construction, in the Black Canyon, Mohave County, Arizona, shows concrete forms, scaffolding and the power plant with mouldings for generators units. The 726 foot high, Bureau of...
Black Canyon (Ariz. and Nev.)--1930-1940.; Hoover Dam (Ariz. and Nev.)--1930-1940.; Mohave County (Ariz.)--1930-1940.; Dam construction--Arizona--Mohave County--1930-1940.; Dams--Arizona--Mohave County--1930-1940.
Snow flies from the blade of a snowplow as it carves a path after a heavy spring snow in Crested Butte, Gunnison County, or Leadville, Lake County, Colorado.
A car parks in a narrow path shoveled through deep snow, Crested Butte, Gunnison County, or Leadville, Lake County, Colorado. License plate reads: "1935," and the spare tire cover reads: "Nash Motors Co., Denver."