Series XII: Yardmasters, Represented by Railroad Yardmasters of America [RRYMoA], 1922-1960

This series consists of records of labor relations between the M&St.L and the RRYMoA locals that represented their employees. Contained in this series are claims from employees, reports on conference between local representatives and management, agreements, memoranda of understanding, correspondence, and conferences regarding how open positions are advertised on the boards. Of particular interest is the report of the Emergency Board on the implementation of the 40- Hour workweek.