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The Harbor Defenses of Mobile

FORT MORGAN /Mobile Point / 1833-(1928) /state park /MD, MC /KKKK

Dearborn/8/12″/M/1901-1928
Duportail/2/12″/DC/1900-1928
Test/1/10″/DC/1916-1918/mostly buried
Bowyer/4/ 8″/DC/1898-1918//
Thomas/2/4.7″/A/1899-1918
Schenck/2/ 3″/MP/1900-1923
&/1/ 3″/P/1900-1923
unnamed/2/155 mm/PM/1942-1944/1 covered

FORT GAINES /Dauphin Island / 1821-(1928) / county park /KKK

unnamed/2/ 8″/Rod/1898-1899/covered by Stanton #1
Stanton/3/ 6″/DC/1901-1928
Terrett/3/ 3″/MP/1901-1923

Other Temp sites /?

unnamed/2/155 mm/PM/ Pascagoula, MS

Mobile Bay, AL: 1921 Maps PDF (98K) 4 pages $0.20 More […]

dev2026-05-26T17:31:01+00:00U.S. Gulf Coast|

The Harbor Defenses of the Mississippi

Documents for the New Orleans CDSG Conference in 2020

CDSG Documents for the Modern-era defenses of the Mississippi river (RCBs, RCWs, maps, Quartermaster building records, battery construction correspondence files, Engineer notebook) zip file 154 MB, click link to download zip file.

FORT ST. PHILIP / north bank / 1843-(1928) 1943 / private /MD, MC / KKK?

Pike/2/10″/DC/1898-1919
unnamed/2/ […]

dev2026-05-26T17:32:03+00:00U.S. Gulf Coast|

FORT TRAVIS /Bolivar Point (-1947) / county park /KK

Kimble/2/12″/BCLR/1922-1943/guns to Moultrie
Davis/2/ 8″/DC/1900-1918/deteriorating
#236/2/ 6″/SBC/ 194? NA
Ernst/3/ 3″/MP/1900-1946/converted to 3-in P

FORT SAN JACINTO / Fort Point / (-1947) / Corps of Eng. prop /MD, MC /K

Mercer/8/12″/M/1898-1943/ partially buried in mud
Heileman/2/10″/DC/1899-1943/ 1 gun ARF, destroyed
#235/2/ 6″/SBC/1944-1946/ partially buried
Hogan/2/ 4.7″/A/1898-1917/ partially destroyed
Croghan/2/ 3″/MP/1911-1946/ converted to 3-in P
AMTB #4/2/90 mm/F/1943-1946/ […]

dev2026-05-26T17:32:53+00:00U.S. Gulf Coast|

Temporary Harbor Defenses of Beaufort, NC

Unnamed/ 2-6″/ NP/ 1942-1945/ near Fort Macon, buried
Lookout/ 2-5″/ NP/ 1942-1945/ Cape Lookout in surf

dev2016-12-15T19:58:31+00:00U.S. South Atlantic Coast|

FORT CASWELL /Oak Island/ (-1928?)/ church camp/ MD, MC/ KKKKK

Bagley/ 8-12″/ M/ 1903-1925/ 1 gun replaced 1912
Caswell/ 2-12″/ BC/ 1899-1925/ modified for swimming pool
Swift/ 4-8″/ DC/ 1898-1920/ 2 guns removed 1917
New Madison/ 2-6″/ DC/ 1905-1917
McDonough/ 1-5″/ BP/ 1902-1905/ guns to Shipp
Shipp/ 2-5″/ BP/ 1901-1919/ originally 1 emplacement
Madison/ 1-4.7″/ A/ 1899-1904/ gun to Screven
McKavett/ 2-3″/ MP/ […]

dev2026-05-26T17:18:42+00:00U.S. South Atlantic Coast|

Documents for the Charleston CDSG Conference in 2021

CDSG Documents for the Modern-era defenses of Charleston, South Carolina (RCBs, RCWs, maps, Quartermaster building records, battery construction correspondence files, Engineer notebook, aerial photos) zip file 881 MB, click link to download zip file.

Marshall Military Reservation/ Sullivan’s Island/ (-1947) /private /KK

#520/ […]

dev2026-05-26T17:20:33+00:00U.S. South Atlantic Coast|

Documents for the Charleston CDSG Conference in 2021

CDSG Documents for the Modern-era defenses of Port Royal Sound, South Carolina (RCBs, RCWs, maps, Quartermaster building records, battery construction correspondence files, Engineer notebook) zip file 32 MB, click link to download zip file.

FORT FREMONT /St. Helena (now Oak?) Island / […]

dev2026-05-26T17:22:25+00:00U.S. South Atlantic Coast|

Documents for the Charleston CDSG Conference in 2021

CDSG Documents for the Modern-era defenses of Savannah, Georgia and St. John’s River, Florida (RCBs, RCWs, maps, Quartermaster building records, battery construction correspondence files, Engineer notebook, aerial photos) zip file 537 MB, click link to download zip file.

FORT SCREVEN / Tybee Island /1897-(1928) /private /MD, MC /KKK

Habersham/8/12″/M/1900-1928/

dev2026-05-26T17:23:54+00:00U.S. South Atlantic Coast|

FORT SLOCUM/ Davids Island/ 1863-(1928)/ city property/ K

Haskin / 8-12″ / M /1897-1919
Overton /8-12″/M /1897-1919/ Pit A destroyed
“Practice” / 2-8″/ Rod/ 1896-1899/ partially buried
Kinney/ 2-6″/ P/ 1904-1917/ destroyed, guns to Tilden
Fraser/ 2-5″/ P/ 1901-1917/ destroyed

FORT SCHUYLER/ Throg’s Neck/ 1833-(1928)/ New York State Maritime Acadamy/ MC/ K

Gansevoort/ 2-12″/ DC/ 1899-1935/ 1 empl. destr., 1 empl. buried
Hazzard/ […]

dev2026-05-26T17:06:32+00:00U.S. Mid-Atlantic Coast|

FORT TILDEN/ Rockaway/ 1926-1945/Gateway National Recreation Area/ KKK

Harris/ 2-16″/BCLRA/ 1924-1948/ casemated WWII
Unnamed/ 4-12″/ M/ 1917-1919/at NAS Rockaway
Kessler (West)/ 2-6″/ P/ 1917-1947/ from Kinney, Slocum, rebuilt 1941-42
#220/ 2-6″/ P/ 1942-1946/ part. buried, NA?
Ferguson (East)/ 2-6″/ P/ 1917-1942/ from Burke, Hamilton, b uried

FORT HAMILTON/ East Narrows, Brooklyn/ 1831/ Army Post/ X(has remains of Third System fort)

Piper/8-12″/M/1901-1942/ (all […]

dev2026-05-26T17:08:28+00:00U.S. Mid-Atlantic Coast|

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FORT MORGAN /Mobile Point / 1833-(1928) /state park /MD, MC /KKKK

FORT GAINES /Dauphin Island / 1821-(1928) / county park /KKK

Other Temp sites /?

FORT ST. PHILIP / north bank / 1843-(1928) 1943 / private /MD, MC / KKK?

FORT TRAVIS /Bolivar Point (-1947) / county park /KK

FORT SAN JACINTO / Fort Point / (-1947) / Corps of Eng. prop /MD, MC /K

FORT CASWELL /Oak Island/ (-1928?)/ church camp/ MD, MC/ KKKKK

Documents for the Charleston CDSG Conference in 2021

Marshall Military Reservation/ Sullivan’s Island/ (-1947) /private /KK

Documents for the Charleston CDSG Conference in 2021

FORT FREMONT /St. Helena (now Oak?) Island / […]

Documents for the Charleston CDSG Conference in 2021

FORT SCREVEN / Tybee Island /1897-(1928) /private /MD, MC /KKK

FORT SLOCUM/ Davids Island/ 1863-(1928)/ city property/ K

FORT SCHUYLER/ Throg’s Neck/ 1833-(1928)/ New York State Maritime Acadamy/ MC/ K

FORT TILDEN/ Rockaway/ 1926-1945/Gateway National Recreation Area/ KKK

FORT HAMILTON/ East Narrows, Brooklyn/ 1831/ Army Post/ X(has remains of Third System fort)

Browse Membership Information

Learn about American Defenses

Access Historical Information

Browse
Membership
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Learn about
American
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Access
Historical
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