"2720 Form work in Units 8 and 9, Arizona Power House. June 14th, 1934.
2730 Night photograph of Power House construction. June 19th, 1934.
2733 Nevada Power House layout. June 21st, 1934.
2732 Arizona Power House layout. June 21st, 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.