Laramie, Wyoming: September 1903. Single photograph measuring 6 ½ x 8 ½ inches. Manuscript caption verso. A photograph, taken by University of Wyoming professor Burt C. Buffum, of rodeo cowboy Guy Holt riding “Steamboat.” The caption reads: “Guy Holt Worlds Champion bronco buster riding ‘Steamboat’ (said to be the hardest.....