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Maunsell naval forts The locations of the seven Maunsell Forts off the east coast of England. The Maunsell naval forts were built in the Thames estuary and operated by the Royal Navy, to deter and report German air raids following the Thames as a landmark, and prevent attempts to lay mines by aircraft in this important shipping channel.
From March 1941, some pillbox embrasures were fitted with a Turnbull mount: this was a metal frame that supported a medium machine gun. [7] [8] The degree of protection offered by a pillbox varied considerably: the thickness of the walls and roof generally varied from just 12 in to 3 ft 6 in (0.3 to 1.1m) or more although the commercially ...
Coastal defence (or defense) and coastal fortification are measures taken to provide protection against military attack at or near a coastline (or other shoreline ), [1] for example, fortifications and coastal artillery. Because an invading enemy normally requires a port or harbour to sustain operations, such defences are usually concentrated ...
The mudflat sculptures were first erected in 1962 and received national attention by 1964; through the 1960s and 70s, anonymous, usually amateur artists would construct sculptures visible to traffic at the eastern end of the Bay Bridge. With the creation of the Emeryville Crescent State Marine Reserve in 1985 and increased attention to ...
Head Harbour Lighthouse, also known as East Quoddy Head Light (mostly by Americans to differentiate the Canadian beacon from its American counterpart, West Quoddy Head Light) is a lighthouse and station on Campobello Island, New Brunswick.
The Atlantic Seaboard Fall Line, or Fall Zone, is a 900-mile (1,400 km) escarpment where the Piedmont and Atlantic coastal plain meet in the eastern United States. [2] Much of the Atlantic Seaboard fall line passes through areas where no evidence of faulting is present. The fall line marks the geologic boundary of hard metamorphosed terrain ...
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