Abstract This collection consists of records (1876-1974) of the Anaconda Copper Mining Company and contains correspondence, court papers, financial and production records, legal documents, organizational records, subject files, and other materials for the Anaconda Copper Mining Company and many of its predecessor and subsidiary companies and departments. Among the major subgroups are General Office; Big Blackfoot Milling Company; Bitter Root Development Company; Boston and Montana Consolidated Copper...

Abstract Anton M. Holter (1831-1921) was a pioneer Helena, Montana, lumberman and founder of the A.M. Holter Hardware Company. Papers (1831-1921) include correspondence, and organizational and financial records relating to mining, agriculture, lumber, real estate, and oil interests of three generations of the family, headed successively by Anton M. Holter, Norman B. Holter, and Norman J. "Jeff" Holter. Many of the enterprises were in partnership with Samuel T. Hauser. Interests include the A.M....

Abstract The Helena, Montana, district office of the United States War Production Board was established in June 1942 to coordinate production of minerals and other materials for World War II. Records primarily consist of general office correspondence of district manager Oscar A. Baarson; Mining Division correspondence of mining technical advisor William M. Manning and subject files on mine operators in Montana, Idaho, North Dakota, and Wyoming; and general correspondence of salvage coordinator E. J....