1. [Unidentified woman riding a horse through a canyon] Creator: Prudden, T. Mitchell Published / Created: undated Call Number: WA Photos 271 Collection Title: Frederick Samuel Dellenbaugh collection of photographs and drawings of the Colorado River region. Container / Volume: Box 3 | Folder 108 Image Count: 2 Resource Type: Prints & Photographs Found in: Beinecke Rare Book and Manuscript Library > [Unidentified woman riding a horse through a canyon]