1. Horse Falling Back - the most dangerous possibility in Ranch work. This snapshot is considered by Creator: Reeves Published / Created: 1919] Call Number: Zc52 919st Collection Title: The Story of the S.M.S. ranch Image Count: 1 Found in: Beinecke Rare Book and Manuscript Library > Horse Falling Back - the most dangerous possibility in Ranch work. This snapshot is considered by cowboys and cow men to be the most remarkable horse photograph in existence.[p. 45]