"2847 Looking upstream at Boulder Dam and the Powerhouse, from the downstream cofferdam. September
2853 Close-up of the Nevada Powerhouse, showing the draft tubes. September 27th,
2850 Nevada Powerhouse from the Arizona Valve House bench. September 27th, 1934
2851 Arizona Powerhouse from the Nevada Valve House bench. September 27th, 1934
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.