Abstract D.W. Slayton (1862-1927) was a Lavina, Montana, sheep rancher; owner of Slayton Mercantile Company; investor in the Lavina State Bank and the Citizens State Bank of Roundup; member of the Fergus County Board of Commissioners; state legislator; and unsuccessful candidate for governor in 1920. Collection consists of diaries (1884-1889, 1907-1917, 1928-1934) kept by Slayton, his wife Elizabeth "Lizzie" Ellis Slayton, and their son Daniel E. Slayton; and correspondence (1883-1924) among the...

Abstract This collection pertains to Montana State Senator, Willliam R. Mackay (1911-1999). Mackay served as a Montana State Representative from 1950 to 1952 and as a State Senator from 1953 to 1972. Materials include personal correspondence and legal records, along with ephemera, professional correspondence, financial records, business-related legal records, minutes, organizational materials, published materials, press releases and radio broadcasts, reports, speeches, subject files, and writings....