"3007 Boulder Dam, looking downstream. View taken from the Arizona Canyon wall, showing Intake Towers and Himix in background. January 8th, 1935.
3010 Looking upstream into falsework under the Arizona Spillway Bridge, showing jacks in place. Hopper arrangement in foreground is used for pouring No. 4 raise. January 8th, 1935
black and white photographs 4 x 5.3 in. or 8 x 4.8 in. paper background 10 x 13.5 in.
Archived TIFF images were scanned by Kathleen Broeder at 400 dpi with an Epson Expression 10000XL scanner. Digital images were reformatted in Photoshop. JPG and PDF files were then created for general use.