; born in New Jersey
, March 9, 1813; graduated at West Point
in 1832, entering the artillery corps.
He was aide to General Eustis
in the Seminole War
, and in 1838 became a lieutenant in the corps of topographical engineers.
He was colonel of the 4th New Jersey Volunteers in the Pensacola
campaign, and was afterwards chief engineer of the Department of Ohio.
In March, 1865, he was brevetted brigadiergeneral, United States army.
Having been on surveying expeditions in the West
, he published a Journal of a military reconnoissance from Santa Fe to the Navajo country
; A report on the Union Pacific Railroad and its branches
; and Essay on Coronado's March in search of the seven cities of Cibola
He died in St. Paul, Minn.
, March 2, 1883.