This primary source comes from the Records of the Office of the Chief Signal Officer.
National Archives Identifier:
530887Full Citation: 'Brig. Gen. Nelson A. Miles and Buffalo Bill Viewing Hostile Indian camp near Pine Ridge Agency, South Dakota.' By Grabill; 1/16/1891; Records of the Office of the Chief Signal Officer, Record Group 111. [Online Version, https://www.docsteach.org/documents/document/brig-gen-nelson-a-miles-and-buffalo-bill-viewing-hostile-indian-camp-near-pine-ridge-agency-south-dakota-by-grabill, May 7, 2024]