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Washington State's Fort Columbia State Park—a preserved American Coast Artillery post (May 2008).
Explore the Harbor Defenses of the Columbia River

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American Seacoast Defenses: a Reference Guide SECOND EDITION

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Information on American Seacoast Defenses and the Coast Artillery Corps 

Seacoast Defenses of the United States—a brief history
US Seacoast Artillery Forts & Batteries 1794-1950
Explore the Harbor Defenses of the Columbia River: forts, weapons, and equipment
Researching US Seacoast Defense: References and the National Archives
The Coast Artillery Corps
Photo Galleries of Surviving American Seacoast Artillery
List of American Remaining Coast Artillery Artifacts
The Battery Pratt Restoration Project at Fort Stevens State Park, Oregon
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For inquiries and more information contact Mark Berhow berhowma@comcast.net

Battery Worth, Fort Casey State Park, Whidby Island, Washington (Steve Kobylk, April 2006)

Battery Chamberlin, Golden Gate National Recreation Area, San Francisco, California, 2006.
Firing a 12-inch gun on a M1917 barbette carriage 1930s (NARA).
Battery Prince and Battery Carr at Fort Grant in the Panama Canal Zone 1967 (Courtesy Bill Cole).

The replica of Henry Hudson's Half Moon sailing in front of the Third System seacoast defense works Battery Weed (on the shoreline) and Fort Tomkins (behind and above) at the New York harbor narrows. Photo taken August of 2009 by Phil Gilson, Brooklyn, NY.

Castle Williams, a Second System fort on Governers Island in New York Harbor, circa 1870s. The flag pole to the left in the photo is in the parade ground of adjacent Fort Jay. Photo from the collection of Bill Cole.

16 inch Navy MkIII gun on Army Proof Carriage at Aberdeen Proving Grounds (2005)

One of the 16 inch rifles of Battery Williston, Fort Weaver, in Hawaii in the 1920s. Photograph courtesy Phil Whaley.

Base end station with a depression position finder (DPF) scope (courtesy of John Martini)

The crest of the "Gridiron Club" of Fort Monroe 1920 featuring the Oozlefinch