"2546 Looking upstream toward Nevada Power House, showing 18-ft. penstock openings. February 20th, 1934.
2545 Boulder Dam looking upstream from Lower Cofferdam, showing Power House footings and benches. February 20th, 1934.
2547 Looking upstream toward the Arizona Power House, showing 18-ft. penstock openings. February 20th, 1934.
2538 Looking downstream over top of Boulder Dam, showing Lomix unloading trestle. February 20th, 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.