Abstract J.H. McKnight and Company operated as the post trader at Fort Shaw, Montana Territory, from 1870 to 1887. In 1887 Joseph McKnight moved his business to Great Falls, where it became a general mercantile firm. In 1894 the name was changed to J.H. McKnight Company, and it continued to operate under that name after McKnight's death in 1903 until its charter expired in 1914. Records (1865-1914) include interoffice, incoming, and outgoing correspondence; financial records; legal documents; and...