Illustration of the construction of Boulder Dam, later called Hoover Dam. Caption reads: "Boulder Dam and lower portals of diversion tunnels. Colorado River."
Illustration the of a train and people standing near it. Caption reads: "Union Pacific Miracle Train passing through a 30 foot intake pipe, Boulder Dam project."
Illustration of a night view of Boulder Dam, now known as Hoover Dam. Caption reads: "Boulder Dam at night, Colorado River." "U.S. Bureau of Reclamation photo" is typed in the top left corner.
Illustration of Boulder City, in which many houses and neighborhoods can be seen. The caption reads: "Boulder City, Nevada. A model city built to house the workmen engaged on the Boulder Dam [later known as the Hoover Dam] Project."
Guest house and main building of Scotty's Castle. The National Park Service bought the private property in 1970 and it is now a part of Death Valley National Park. Site Name: Scotty's Castle (Death Valley, Calif.)
Graves of James Dayton and Frank "Shorty" Harris. The plaque in the photo reads: "Bury me beside Jim Dayton in the valley we loved. Above me write: 'Here lies Shorty Harris, a single blanket jackass prospector.' - Epitaph requested by Shorty (Frank) Harris, beloved gold hunter, 1856-1934. Here Jas. Dayton, pioneer, perished, 1898. --- To the trailmakers whose courage matched the dangers of the land, this bit of earth is dedicated forever."
Inscribed on photo: "Elaborate door with hand wrought hinges, living room, Scotty's Castle, Death Valley, California." Scotty's Castle was bought by National Park Service in 1970 and it is now a property of Death Valley National Park.