Pamphlets: Pile Drivers, Bridge, Wharf, and Dock Builders Local Union No. 34
Piledrivers construct deep foundations, for bridges, wharfs, docks, and sub-sea structures. This construction can require deep sea divers to drive in the heavy timber piles that anchor docks and piers.
Patri, Giacomo. How to Organize on the Job: A Handbook for Stewards. Pamphlet. Pile Drivers, Bridge, Wharf and Dock Builders Local Union no. 34, 1940-1945, Giacomo Patri Collection, LARC_0039, Labor Archives & Research Center, San Francisco State University.