1. John K. hillers, photographer of the Powell Survey with his ""wet plate"" photographic outfit about Creator: Dellenbaugh, Frederick Samuel, 1853-1935 Published / Created: 1873 Call Number: WA Photos 271 Collection Title: Frederick Samuel Dellenbaugh collection of photographs and drawings of the Colorado River region. Container / Volume: Box 2 | Folder 42 Image Count: 2 Resource Type: Prints & Photographs Found in: Beinecke Rare Book and Manuscript Library > John K. hillers, photographer of the Powell Survey with his ""wet plate"" photographic outfit about 1873. The white mule was his favorite pack-animal. He named it ""Nigger""
2. John Renshawe on Wunupits ... my favorite riding mule in 1873 and 1872. Creator: Dellenbaugh, Frederick Samuel, 1853-1935 Published / Created: 1873 Call Number: WA Photos 271 Collection Title: Frederick Samuel Dellenbaugh collection of photographs and drawings of the Colorado River region. Container / Volume: Box 2 | Folder 42 Image Count: 2 Resource Type: Prints & Photographs Found in: Beinecke Rare Book and Manuscript Library > John Renshawe on Wunupits ... my favorite riding mule in 1873 and 1872.