Two Native American men on horeseback, seen from behind.
Title from the Guide to the Edward S. Curtis papers and photographs at the National Anthropological Archives.
Image also available in the Smithsonian Virtual Online Archives (SOVA), National Museum of Natural History, National Anthropological Archives (viewed May 2021): Guide to the Edward S. Curtis papers and photographs, circa 1895-2001; series 9.4: Other Photographs, Grand Canyon series, ca. 1915, box G33; Curtis negative x 1532: Men on horseback in the Grand Canyon, [1905].
Forms part of a collection of lantern slides by Curtis (ARC 1176).