That evening General Terry ordered General Miles to take his regiment the Fifth Infantry and return by a forced march to Yellowstone and proceed down the river by steamboat to the mouth of the Powder River to intercept the Indians in case they attempted to cross the Yellowstone - The Adventures of Buffalo Bill by Col. William F. Cody

When I accompanied him on his trip to the Yellowstone Park in April 1903 I got a fresh impression of the extent of his natural history knowledge and of his trained powers of observation - Camping & Tramping with Roosevelt by John Burroughs

The principal one was the Missouri River and the Yellowstone River was the other - The Extermination of the American Bison by William T. Hornaday