Fort Duvall
Fort Duvall (1917-1974) - An World War I Coastal Fort first established in 1917 as Hog Island Military Reservation on Little Hog Island (now Spinnaker Island), Plymouth County, Massachusetts. Named Fort Duvall in G.O. 12, 1922, Major General William P. Duvall (1847-1920). a graduate of West Point, he was a principal assistant to the Army Chief of Artillery, and served two tours of duty in the Philippines (the second as commander of all Army troops there), where he distinguished himself for his even-handed administration of the islands. Abandoned in 1974.
World War I (1917-1918)
Part of the Harbor Defense of Boston, Massachusetts.
| Battery Click on Battery links below |
No. | Caliber | Type Mount | Service Years | Battery Cost | Notes |
|---|---|---|---|---|---|---|
| Battery Long | 2 | 16" | Casemated Barbette | 1927-1948 | $ ? | Casemated 1942 |
| Source: CDSG | ||||||

World War II (1941-1945)
Current Status
On Spinnaker Island, Plymouth County, Massachusetts. Battery Long is built over but one casemate is exposed.
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Location: Spinnaker Island, Plymouth County, Massachusetts. Maps & Images Lat: 42.300294 Long: -70.896063 |
Sources:
- Roberts, Robert B., Encyclopedia of Historic Forts: The Military, Pioneer, and Trading Posts of the United States, Macmillan, New York, 1988, 10th printing, ISBN 0-02-926880-X, page 398
- U.S.Army, Supplement to the Harbor Defense Project of Boston, Massachusetts, (HDB-AN-45), 31 Jan 1945, CDSG
- Coast Defense Study Group, CDSG Press, CDSG Digital Library
Links:
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Fort Duvall Picture Gallery
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