Several photographers passed through Fort Robinson and the Red Cloud Agency in 1877—including James H. Hamilton, Charles Howard, David Rodocker and possibly Daniel S. Mitchell—but none used the backdrop that appears in the tintype.
V roku 1877 prešlo Agentúrou Red Cloud a Fort Robinsonom niekoľko fotografov – vrátane Jamesa H. Hamiltona, Charlesa Howarda, Davida Rodockera a zrejme aj Daniela S. Mitchella – ale žiaden z nich nepoužíval pozadie zobrazené na fotografii.