President Teddy Roosevelt ready to enter Yellowstone Park, 1903.
Cowboy in tintype portrait, circa 1875-1890.
Buffalo hunter Ralph Morrison, killed and scalped by Cheyennes near Fort Dodge, Kansas. December 7, 1868.
The ceremony for the driving of the golden spike at Promontory Summit, Utah. Completion of the First Transcontinental Railroad. May 10, 1869.