Does anyone recognize where this site may be? it looks like perhaps an Indian agency. my grt-grandparents lived in southern custer county so i think this may be near there as this was with their photo + 162 more characters

does anyone have information on piper dan's road ranch beyond what is described in The Frontier Years about L A Huffman and in Nannie Alderson's A Bride Goes West? Looking for more than what is presen + 21 more characters