"A page of canyon views.
# 834 The low level concrete mixing plant nearing
completion. Silos for the storage of cement and bunkers for gravel storage which have been installed in the upper stories. January 28th, 1932.
# 826 The down-stream steel suspension bridge, located below the lower portals of the diversion tunnels under construction. Note the truck road in the background, for disposal of tunnel muck on the Arizona side. January 25th, 1932.
# 513 one of the several barges used in transferring trucks and heavy material across the river. This one is equipped with a double drum hoist. January 10th, 1932.
# 504 Several boats are used for the transporting of
men, powder and supplies up and down the canyon. January 10th, 1932."
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.