Water pumps for the Hoover Dam construction concrete plant, upper batch plant.

Pump in the Colorado River for the upper concrete batch plant

Transcribed Notes: Transcribed from photo sleeve: "Pump used to get water to upper batch plant."

Alamo, Nevada from an overlooking hill

Transcribed Notes: Transcribed from back of photo: "About 1922 - Alamo - Looked like this."; Transcribed from photo sleeve: "An aerial of Alamo, Nevada ca. 1922"

Alamo, Nevada from an overlooking hill

Transcribed Notes: Transcribed from front of photo: "Home Town. Alamo, Nevada. In 1920 to 1925."; Transcribed from photo sleeve: "An aerial of Alamo, Nevada looking west in the early 1920s. The four room schoolhouse where Logan Wright attended in 1954 is in the center-back of the picture. Alamo Services was owned and operated by Larry and Evy Davis."

Cottonwood Aerial Ferry carried customers between Searchlight, Nevada and Chloride, Arizona. It is now under Lake Mohave. Sign with ferry rates: Car $2.00, Truck $2.50, Motorcycle $1.00, Horseman .50, Stock .50, Pedestrian .25

Transcribed Notes: Transcribed from photo sleeve: "Cottonwood Aerial Ferry, from about 1930-1935. This was the last and the most unusual of several ferries that crossed at Cottonwood between Searchlight, Nev. and Chloride, Ariz., these being the two major towns in the area before 1920. Most were conventional barge types similar to the Arivada Ferry shown in another picture. The aerial ferry was powered by an automobile engine mounted on the upper framework, with the operator up with the engine. It was located at the mouth of Painted Canyon, a short distance upriver from the Cottonwood Cove Resort. Courtesy Ella Kay."

Landing at Cottonwood on the Colorado River

Transcribed Notes: Transcribed from photo sleeve: "Cottonwood Landing, 1946. In 1946 the National Park Service gave a temporary permit to Hurl Emery, then operating the Eldorado Fishing Camp at Eldorado Canyon, to establish a landing at Cottonwood. The dock shown was put in, also a few tent cabins, one serving as a store. It operated under these conditions for several years until a permanent lease was issued by bid to a new operator. Not shown is 16 miles of rough dirt road. Courtesy Ella Kay."

Floyd Francis, an unidentified man, and Jake Beckley in the "old swimming hole" on the Von Tobel and Beckley property

Transcribed Notes: Transcribed from photo sleeve: "Another view of Floyd Francis, an unidentified man and Jake Beckley in the swimming hole on the property in Paradise Valley owned by Von Tobel and Beckley."; Transcribed from background history: "Early Las Vegas History by Florence Lee Jones, April 1969: In the years immediately after the auction of lots and the start of Las Vegas in 1905, a swimming pool was unknown in the area - but the late Ed Von Tobel, Sr., and his partner in the lumber business, Jake Beckley, solved that problem, as this picture shows. Von Tobel took this picture, showing from left Floyd Francis, who worked for more than 20 years at the Von Tobel Lumber Company; an unidentified man; and at right, Beckley. At their 120-acre ranch in Paradise Valley, which was a week-end retreat for the partners, they drilled three wells so they could irrigate their fruit orchard and truck garden. One of the wells had such a heavy flow that they dammed up a natural wash and created a swimming pool, a