"2918 Upper portal trashrack for Diversion Tunnel No. 1, on the Nevada side. October 30th, 1934.
2916 Looking upstream in No. 2 Diversion Tunnel, showing the concrete pipe line from the pumpcrete gun to the
upstream plug. October 30th, 1934.
2893 Looking downstream into No. 4 Raise, showing close-up of portal forms. October 25th, 1934.
2900 Looking downstream into the Nevada Spillway. October 25th, 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.