"2457 Two-hundred ton two-way trailer, for transporting sections of 30-ft. penstock pipe. December 15th, 1933
2481 Excavation for Downstream Plug, Diversion Tunnel No. 2, December 29th, 1933.
2460 View of 200-ton two-way trailer, with test load. December 15th, 1933.
2485 Excavation for Downstream Plug, Diversion Tunnel No. 3. December 29th, 1933."
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.