"1495 Interior of one of the diversion tunnels, showing panel of concrete lining being poured in the invert section of the tunnel. Side wall tunnel form is shown in the background. August 24th, 1932.
1479 Section of finished diversion tunnel, in which three-foot concrete lining has been poured. Gravel has been dumped on tunnel floor as a protection from damage. Arch section is coated with bituminous compound for curing concrete. August 22nd, 1932.
1497 Apparatus used in trimming the tunnels have been converted for use in drilling holes in the concrete lining for pressure grouting. August 24th, 1932.
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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.