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Subjects
> Watch Towers
Alcatraz
Guard Tower, Alcatraz Island, San Francisco Bay, San Francisco
Beale Air Force Base
Perimeter Acquisition Vehicle Entry Phased-Array Warning System, Guard Tower, End of Spencer Paul Road, north of Warren Shingle
Castillo de San Marcos
1 Castillo Drive, Saint Augustine, St. Johns County, FL
Fort McKinley
Battery Berry Observation Station, North side of Wood Side Drive approximately 80 fee, Portland, Cumberland County
Fort McKinley
Battery Carpenter Observation Station, West side of East Side Drive, approximately 275 fe, Portland
Fort McKinley
Battery Honeycutt Observation Station, East side of East Side Drive, approximately 225 fe, Portland
Manzanar War Relocation Center
Observation (Guard) Tower, Independence, Inyo County, CA
Portland Observatory
138 Congress Street, Portland, Cumberland County, ME
Rocky Flats Plant
Guard Tower, Southeast corner of protected area, Golden, Jefferson County