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 [decorative delimiter] Class of 1864

Vol. III

(Born Turkey)

David P. Heap

(Ap'd Pa.)


Born Mar. 24, 1843, San Stefano, Turkey.​a

Military History. — Cadet at the Military Academy, July 1, 1860, to June 13, 1864, when he was graduated and promoted in the Army to

First Lieut.,º Corps of Engineers, June 13, 1864.

Served during the Rebellion of the Seceding States, 1864‑66: with Engineer Battalion (Army of the Potomac), in the Richmond campaign, June 24 to Sep. 13, 1864, being engaged in the Siege of Petersburg, June 24 to Sep. 13, 1864, including the Mine Assault, July 30, 1864; on sick leave of absence, Sep. 13 to Oct. 13, 1864; with Engineer Battalion in the Siege of Petersburg, Oct. 13, 1864, to Feb. 24, 1865, being engaged in the construction and repairs of the front line of works, — and on the Raid for the destruction of the Weldon Railroad to Meherrin River, Dec. 7‑10, 1864; on leave of absence, Feb. 24 to Mar. 26, 1865; with Engineer Battalion in the Siege of Petersburg and Pursuit of the Rebel Army under General Indicates a West Point graduate and gives his Class.Lee, Mar. 26 to Apr. 9, 1865, being engaged in

(Bvt. Captain, Apr. 2, 1865, for Gallant and Meritorious Services during the Siege of Petersburg, Va.)

building bridges, making reconnoissances, and repairing roads; and in making map and plan of Rebel Works at High Bridge, Apr., 1865.

Served: with Engineer Battalion, en route to Willet's Point, May 1 to June 20, 1865, — and in garrison at Willet's Point, N. Y., June 20, 1865,  p19 to Nov. 13, 1866, being Battalion Quartermaster, Oct. 22 to Nov. 13, 1866; as Asst. Engineer in the construction of Ft. Ontario, N. Y., Nov. 16, 1866, to Apr., 1867, — and in the Improvement of Harbors on

(Captain, Corps of Engineers, Mar. 7, 1867)

Lake Michigan, Apr., 1867, to Feb. 19, 1870; as Chief Engineer of the Department of Dakota, Feb. 19, 1870, to Oct. 21, 1872 (leave of absence in Europe, Dec. 15, 1870, to Apr. 22, 1871); as Assistant Engineer under the orders of Major Indicates a West Point graduate and gives his Class.Gillmore, at Charleston, S. C., Nov. 15, 1872, to Feb. 5, 1874 (sick leave of absence, Dec. 27, 1873, to Feb. 25, 1874), — under the orders of Major Indicates a West Point graduate and gives his Class.Abbot upon the Defenses of the Eastern Entrance to New York Harbor, Feb. 24 to July 8, 1874, — and under the orders of Major Indicates a West Point graduate and gives his Class.Warren, at Newport, R. I., July 10, 1874, to Mar. 31, 1875, and May 15, 1877, to Mar. 3, 1880; in collecting, arranging, etc., articles pertaining to the Engineer Department, for the International Centennial Exposition, Mar. 31, 1875, to May 14, 1877; as Engineer of Tenth Light-house District, Mar. 10, 1880, to June 30, 1881; at Paris, France, Aug. 1 to Nov. 15, 1881, attending International Electrical Exhibition as representative of the United States; on leave of absence in Europe, Dec. 16, 1881, to Apr. 17, 1882; in charge of Surveys and River and Harbor Improvements in Western Michigan, May 16, 1882, to Mar. 31, 1883; as Engineer Secretary of the Light-house Board,

(Major, Corps of Engineers, June 23, 1882)

Mar. 8, 1883, to July 14, 1887; as Engineer of the Third Light-house District, since July 6, 1887, and of the Fourth Light-house District, July 7, 1887, to Mar. 19, 1888; and as Member of Board on Improvement of the Saginaw River, Mich., Aug. 18, 1882.

Civil History. — Author of "The Engineer Department, U. S. Army, at the International Exhibition of 1876," 1884, — of "Electrical Appliances of the Present Day," 1884, — and of "Ancient and Modern Light-houses," 1888.

Vol. IV
[Supplement, Vol. IV: 1890‑1900]

Military History. — Engineer 3d Lighthouse District, Tompkinsville, N. Y., to Nov. 1, 1894.

(Lieut.‑Colonel, Corps of Engineers, May 10, 1895)

— In charge of fortifications, rivers, and harbors, Portland, Me., to Oct. 28, 1895. — In charge of fortifications, rivers, and harbors, Wilmington, N. C., to March 19, 1897. — Engineer 3d Lighthouse District, Tompkinsville, N. Y. to ––––

Vol. V
[Supplement, Vol. V: 1900‑1910]

Military History. — Engineer 3d Lighthouse District, Tompkinsville, N. Y., to September 17, 1901. — Division Engineer, Pacific Division, Sept. 23, 1901 to October 16, 1904. — Member Boards of Officers for examination for promotion of certain officers of the Corps of Engineers from Sept. 23, 1901 to June 27, 1903. — Member of Board of Officers for examination of Lieutenants of the Army for transfer to the Corps of Engineers, from Sept. 23, 1901 to March 21, 1902. — Member of Boards of Engineer Officers to consider and report upon the subject of the harbor lines of San Francisco Harbor and adjacent waters, and to make surveys and examinations of and for improvement of Sacramento and Feather Rivers, Cal., Sept. 23, 1901 to Oct. 16, 1904. — Member of California Debris Commission to regulate hydraulic mining in the State of California, Aug. 28, 1901 to Sept. 10, 1903. — Engineer Officer on the staff of Major-General S. B. M. Young, Commanding Department of California, Nov. 10, 1901

(Colonel, Corps of Engineers, April 13, 1903)

to October 16, 1904.

(Brigadier-General, U. S. A., Feb. 16, 1905)

Retired from Active Service Feb. 16, 1905,
at his own request, after more than 40 Years' Service.

Vol. VI
[Supplement, Vol. VI: 1910‑1920]

(David Porter Heap, Born March 24, 1843.)

Military History. —

Colonel, Corps of Engineers, April 13, 1903.

Brigadier-General, U. S. A., Feb. 16, 1905.

Brigadier-General, U. S. A., Retired, Feb. 16, 1905,
at His Own Request, After Over 40 Years' Service.

Died, Oct. 25, 1910, at Pasadena, Cal.: Aged 67.

Obituary in Annual Report, Association of Graduates, for 1911.

Buried, Arlington National Cemetery, Arlington, VA.

Thayer's Note:

a Gen. Heap's birthplace is from his AOG obituary.

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