"1674 Closeup of Bulkhead Gate at Upper Portal of Diversion Tunnel No. I. October 25th, 1932
1696 Part of shipment of Bulkhead Gate Structural Steel transported by special train from Los Angeles Plant of Consolidated Steel
Corporation. October 27th, 1932.
1675 Upper Portals of Diversion Tunnels No. 3 and No. 4. October 25th, 1932.
1719 Lower Portals of Diversion Tunnels. November 3rd, 1932."