View of pump station at lower batch plant. Note on back: ""This photo not taken by W. A. Davis. Photographer may have been Frank Black. - W. A. Davis.""
View of the control room in mixing plant where all concrete is mixed for diversion tunnels. A complete record is made by graph of each batch of concrete mixed. ""Scales for meadsuring mixing components. - W.A. Davis.""
Railroad materials on road, Fortification Hill in background. Truck-Nevada Transportation Co., owned by Shorty Griffith. Note on back: "Truck delivered dynamite and blasting powder. Looking south toward Hemenway Wash. Fortification Hill is behind photographer to the right side. Unloaded boxes of powder to the right. - W.A. Davis."
Blasting rock upstream of Dam site. Note suspension foot bridge and larger, small truck bridge. Note on back: "Two men were blown up at this spot the day Wint took this photo - James J. Hester, son-in-law of W. A. 'Wint' Davis."
Blasting rock at noon-time, everyday, to put anchors in place. Note cameraman in foreground. Overhead cables used to transport materials and men from top of canyon to basin.