When General Stephen Watts Kearny's Army of the West marched into Santa Fe, New Mexico, on August 18, 1846, Richard Smith Elliott, a young Missouri volunteer, was included in its ranks. In addition to Lieutenant Elliott's duties in the Laclede Rangers, he served as a regular correspondent to the St. Louis Reveille. An entertaining and educated observer, Elliott provided readers back home with an account of the grueling march over the famous Santa...