Expedition to the Southwest: An 1845 Reconnaissance of Colorado, New Mexico, Texas, and Oklahoma
Lieutenant James William Abert
Lieutenant Abert of the U.S. Army Topographical Engineers received orders in 1845 to explore the Canadian River region of the southern plains. Although the land was still in Mexican territory the United States had abandoned most of the diplomatic niceties regarding its boundaries with Mexico. 121 pages. Paperback.