length 60 feet, beam 21.5 feet, draft 5 feet, built by Fardy-Woodall
at Baltimore, MD. In service 1847-1880. Sold 1884. Atlantic
length 74 feet, beam 21 feet, draft 5.7 feet, built by Fardy
and Brothers, Baltimore, Maryland in 1859. In service 1860-1879.
Named for Alexis Caswell (1799-1877), Professor of Mathematics
and Natural Philosophy at Brown University from 1828-1863: President
of Brown from 1868-1872, thence a trustee.
length 70 feet, beam 20 feet, draft 2.8 feet. In service 1857-1861.
May 1861 transferred to Navy. Named for Howell Cobb (1815-1865),
Georgia Senator thence 22nd Secretary of the Treasury under
President Franklin Buchanan from 1857-1860. Upon the election
of President Lincoln, he urged his native state, Georgia, to
secede from the Union.
Steamer, length 125 feet, beam 24 feet, draft 7.3 feet. In service
1850-1867. In May 1861 this vessel was transferred to the Revenue
Service but soon returned to the Coast Survey. It conducted
a survey of the Potomac River in July 1861 under the command
of Lieutenant Commanding Thomas S. Phelps, USN, Hatteras Inlet
in the fall of 1861, engaged in operations during the Peninsula
Campaign in the spring of 1862 and then was involved in more
mundane survey operations for the remainder of the war. Thomas
Phelps was detached from the CORWIN in December 1864, being
the last regular Navy officer to be on duty with the Coast Survey
during the Civil War period. Acting Master Robert Platt, USN
, was then given command of the CORWIN. The ship was named for
Thomas Corwin (1794-1865), Senator from Ohio, thence 20th Secretary
of the Treasury under President Millard Fillmore from 1850-1853.