; born in Greenfield, Mass.
, Oct. 19, 1824; graduated at West Point
in 1849; led a surveying party across the Rocky Mountains
in 1853, and afterwards was employed in the coast survey.
He was with Captain Lyon
at St. Louis
when the Civil War
broke out, and was prominent in breaking up the Confederate
Camp Jackson (see St. Louis arsenal
). He was with McClellan
in western Virginia
, and then with General Sherman
in the South
He was in command at Harper's Ferry
awhile, and, as brigadiergeneral (April 15, 1862), was made military governor of the Department of the South, serving in that capacity from 1862 to 1865.
In 1865 he was brevetted majorgeneral of volunteers; in 1882 was promoted colonel and assistant quartermastergeneral, United States army; and in 1888 was retired.