In the matter of: Moore drydock company, Oakland, California and East Bay union of machinists, Local 1304, United steelworkers of America, CIO, and the United association of plumbers and steamfitters of the USA and Canada, Local 590, AFL

United States. National War Labor Board (1942-1945), Local 590 United association of plumbers and steamfitters of the United States and Canada, United Steelworkers of America. Local 1304, Moore dry dock Company, E. D. Conklin