, 1823‑35, — of the Improvement
(First Lieut., Corps of Engineers, Dec. 22, 1830)
of the Ohio River above Louisville, Ky., 1835‑36, — and of the construction of the Cumberland Road in Ohio, 1836‑41; as Member
(Captain, Corps of Engineers, July 7, 1838)
of Special Board of Engineers, for projecting Flynn's Knoll Light-house, New York harbor, 1839; as Superintending Engineer of the Repairs of Forts Macon, Caswell, and Johnston, N. C., 1841‑43, — and of the Interior Defenses of New York harbor, 1843‑45; as Member of Special Board of Engineers for examination of Florida Reef, for defensive works, 1844‑45; as Superintending Engineer of the construction of Ft. Taylor, Key West, Fla., 1845‑53, — of the improvement of the Harbors of Providence, R. I., New Haven, Ct., and Bridgeport, Ct., 1852, — and of
p276Survey of Port Jefferson harbor, N. Y., 1853; as Member of the Board of Engineers for Atlantic Coast Defenses, Apr. 11, 1853, to Jan. 5, 1857; as Superintending Engineer of the Repairs of Ft. Adams, R. I. and Goat Island Light-house, Newport harbor, R. I., 1853‑55, — and of Surveys of Taunton River, Mas., and Providence and Newport harbors, R. I., 1853‑56; in charge of the Engineer Agency at New York, for purchasing and shipping supplies for public works, 1854‑56; as Light-house Engineer for the New York District, Apr. 11, 1853, to Aug. 25, 1856; as Superintending Engineer of the repairs of Fts. Hamilton and Lafayette, N. Y., 1854‑56, — and of Harbor Improvements in New Jersey, 1854‑56; in
(Major, Corps of Engineers, Oct. 31, 1856)
charge of Fortifications of New York harbor, and of Hudson River Improvement, 1855‑56; and as Superintending Engineer of the construction of Ft. Delaware, and of Harbor Improvements in Delaware River, 1856‑57.
Died, Jan. 5, 1857, at Philadelphia, Pa.: Aged 54.