This primary source comes from the Records of the Office of the Chief Signal Officer.
National Archives Identifier:
530974Full Citation: A Blackfoot on horseback, with a rifle; 1833; Records of the Office of the Chief Signal Officer, Record Group 111. [Online Version, https://docsteach.org/documents/document/a-blackfoot-on-horseback-with-a-rifle, December 8, 2024]