Collection Scope and Content Summary From the Collection: Collection, 1840-2012, documenting the Cannon and Cole Families. The collection principally consists of correspondence, field notes, and maps created and assembled by Geoge H. Cannon, documenting his work as a land surveyor in Michigan, Wisconsin, and Minnesota.Included in the collection are some of Cannon’s diaries, as well as a memoir Cannon penned around 1906 using notes from his 1846 surveying journey around Lake Superior. The memoir details his encounters with native and...