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Person
P. C. Hains
P. C. Hains

Federal (USA)

Lieutenant

Peter Conover Hains

(1840 - 1921)
Home State: New Jersey
Command Billet: Battery Commander
Branch of Service: Engineers
Unit: 2nd United States Artillery, Battery M

see his Battle Report

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Before the Antietam Campaign:
Service Summary:
At graduation from West Point, he was appointed 2nd and then 1st Lt, 2nd US Artillery, 24 June 1861;
He transferred to the Topograhical Engineers 24 July 1862 and to Engineers 3 Mar 1863;
Promoted to Captain 15 July 1863;
Major 22 Sept 1870;
Lt Col 16 Sept 1886;
Colonel 13 Aug 1895;
Brig Gen of Volunteers 27 May 1898;
Honorably discharged from the Volunteers 30 Nov 1898;
Appointed Brig General, Regular Army, 21 Apr 1903;
Retired 1904;
Returned to active duty, appointed Major general, by special act of Congress in 1916 (WWI);
Retired 1918.

Cited for gallantry by brevet for action at Hanover C. H., Va and the siege of Vicksburg Miss.

After the War:
He worked on lighthouse construction from 1868 to 1878, including structures off Morris Island, SC and St. Augustine, FL.

By 1882, Hains was working as the chief engineer on the Potomac and Anacostia rivers, and he designed the Tidal Basin, which solved the capital's problem of a foul-smelling, stagnant swamp. The site today is near the Jefferson Memorial, and Hains Point overlooks the basin and the Washington Monument. In 1890, he designed the national road built from Washington to Mount Vernon (now known as the George Washington Parkway).

Hains also served on the Nicaragua Canal and Panama Canal commissions and successfully argued to build it in Panama.

Toward the end of his life, in 1916, he was called to active duty and appointed major general by an act of Congress. This made him the only Civil War officer to serve on active duty in World War I and the oldest U.S. officer in uniform during that war.

References, Sources, and other notes:
Source: Heitman, Francis Historical Register and Dictionary of the United States Army 1789-1903, Washington, US Government Printing Office, 1903.; and
family history gathered for savethelight.org (below).

More on the Web:
See more about him, in connection with on of "his" post-war lighthouses, at savethelight.org.

Birth Date: 7/6/1840    Place of Birth: Philadelphia, PA    
College: US Military Academy, West Point, NY    Graduating Year: 1861    Class Rank: 19th
Death Date: 11/7/1921    Death Place: Washington, DC    Burial Place: Arlington National Cemetery, VA

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