Category:20th-century fortifications in the United States
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Subcategories
This category has the following 6 subcategories, out of 6 total.
C
- Camp Hayden (Washington) (17 F)
E
F
- Fort Tilden Historic District (124 F)
- Fort Winfield Scott (19 F)
K
M
Media in category "20th-century fortifications in the United States"
The following 3 files are in this category, out of 3 total.
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Battery Hoskins.JPG 2,272 × 1,704; 2.29 MB
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Ft Tilden casemate jeh.JPG 3,072 × 2,304; 1.03 MB
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Ft-Ruckman-Map.jpg 895 × 609; 105 KB
