Information
Date
1975-09-17
Description
Pg.31 #2666 Looking upstream in Black Canyon, showing the downstream face of Boulder Dam. April 30th, 1934. Pg.31 #2659 View showing installation of 100-ft. Drum Gates in the Arizona spillway. April 28th, 1934. Pg.31 #2664 Looking upstream in No. 5 Penstock tunnel, showing penstock outlets, manways and pedestal recesses. April 28th, 1934.
Digital ID
pho027842-095
Physical Identifier
album #1, page 31