HENRY LARCOM ABBOTT - (1831-unknown) - Army Engineer, born
Beverly, Essex County, Mass. Graduated at West Point (1854),
assigned to duty in the office of the Pacific railroad
surveys in Washingtn, D.C. Served on exploration for a
railroad route between California and Oregon and (1857-1861)
occupied in the hydrographic survey of the Mississippi river
delta. During Civil War was chief of topographical engineers
on staff of General Tyler, wounded at Battle of Bull Run,
engineer on staff of General McClellan (1862), commanded
siege train of both armies operating against Richmand (1864-65).
Received brevets as major-general of volunteers and
brigadier-general in regular army. After was engaged in
construction of defensife works and commanding engineer
battalion. Conducted torpedo experiments of high value and
designed system of submarine mine defense at Engineer School
of Application which he organized. Retired (1895), designed
harbor at Manitowoe, Wis.