Information
Date
1925 to 1935
1905 to 1935
Description
Captions: On the left, the gate structure to #4 diversion tunnel, 165 ft high. On the right side the upper portal to #3. Note: bulkhead in foreground, will be blown out after the completion of coffer dam, allowing water to pass thru; Coffer dam - Boulder Dam '32; Looking down a completed tunnel. Just before the water was diverted. Sunday Nov. 13, 1932, Hoover Dam.
Digital ID
pho014329-014