Papers. 1870-1953. 4 linear feet. The collection consists of general correspondence, financial records, legal documents, and organizational records of William R. Allen and of several of his companies. Allen's personal papers consist of minor correspondence and financial records; papers of two lawsuits to which Allen was a party; legal documents (1900-1941) including mining deeds, agreements, annual representations of quartz lodes, a Mexican land deal, and other papers; a subject file (1904-1917) on the Minerals Separation North American Corporation; and miscellany, including material on his campaigns for governor and congressman, a Montana Senate memorial on Allen's death, and other items. There is a small subgroup (1870-1900) for Allen's father William N. Allen. There are subgroups for sixteen companies: Allen and Foley, Allen Company; Allen Gold Mining Company; Allentown Town Site Company; Boston and Montana Development Company; Boston and Montana Milling Company; Boston and Montana Milling and Power Company; Boston-Montana Corporation; Boston-Montana Mines Company; Boston-Montana Mining Company; Butte, Wisdom and Pacific Railway Company; French Gulch Mining Company; Montana Southern Railway Company; Montana Southwestern Railway Company; National Boston Montana Mines Corporation; and Southern Montana Railway Company. These subgroups deal with Allen's mining developments in the French Gulch area south of Anaconda and his mining and railroad developments in the Wise River area south of Dewey, including the Elkhorn Mine. RESTRICTION: May be used only for scholarly research; use of the materials for the commercial exploitation of mineral lands formerly developed by W.R. Allen and companies with which he was associated is prohibited.