"1261 In pouring the portal structure for the upper portals of Diversion Tunnels Nos. 2 and 3, 4-cubic-yard Rex Moto Mixers were lifted from trucks and concrete poured directly in the forms. June 19th, 1932.
1266 View of the upper portal of Diversion Tunnel No. 3, showing the method of cableway operation in pouring portal structures with 4 cubic yard agitators. June 19th, 1932.
1264 Close-up of Rex Moto Mixer discharging directly into forms for the portal structures. June 19th, 1932."
black and white photographs 4 x 5.3 in. or 8 x 4.8 in. paper background 10 x 13.5 in.
Digital Format
TIFF/JPG/PDF
Digitization Specifications
Archived TIFF images were scanned by Jill Walker 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.
Digital Image Copyright 2008. Materials may be used for non-profit and educational purposes, please credit the Special Collections Department, Stewart Library, Weber State University.