ct on reconnoitering duty at Cerro Gordo.
He was severely wounded at Cerro Gordo and Chapultepec, where, September 13, 1847, he led a detachment of the storming forces, and General Scott reported that he was the first to plant regimental colors on the ramparts of the fortress.
After the Mexican war he was returned to the rank of captain of topographical engineer, and served as chief of that body in the Department of Texas in 1852 and 1853, and acted as inspector-general on the expedition to Utah in 1858. June 30, 1860, he was commissioned quartermaster-general of the United States army, but resigned that post on the 22d of April, 1861.
He was commissioned major-general of volunteers in the army of Virginia, and, with General Robert E. Lee, organized the volunteers of that State—and being summoned to Montgomery, the Confederate capital, he was appointed one of the four brigadier-generals there commissioned, and was assigned to the command of Harper's Ferry. General Robert Patterson,