Records. 1915-1972. 2 linear feet. The records of the International Association of Machinists, Lodge 88, of Butte, Montana, contain general correspondence (1943-1953, 1967, 1969); financial records (1937-1970), including membership information; legal documents (1937-1960), consisting of labor agreements with a variety of employers; minutes (1915-1921; 1943-1959); reports (1947); subject files (1966-1967) pertaining to The Anaconda Company; and miscellany. Artifacts have been transferred to the Museum.