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Authorities are working to determine whether human remains found in a concrete “bunker” underneath a man’s California mobile home belonged to a missing couple who lived next door at a nudist ...
Hochbunker usually consisted of large concrete blocks above ground with walls between 1 and 1.5 metres (3 ft 3 in and 4 ft 11 in) thick and with huge lintels above doorways and openings. They often had a constant interior temperature of 7 to 10 °C (45 to 50 °F), which made them perfectly suitable for laboratories, both during and after the war.
Blast doors in a missile control bunker at Minot Air Force Base, North Dakota. The 25-ton blast door in the Cheyenne Mountain nuclear bunker is the main entrance to another blast door (background) beyond which the side tunnel branches into access tunnels to the main chambers.
During World War I, Sir Ernest William Moir produced a design for concrete machine-gun pillboxes [5] constructed from a system of interlocking precast concrete blocks, with a steel roof. Around 1,500 Moir pillboxes were eventually produced (with blocks cast at Richborough in Kent) and sent to the Western Front in 1918.
The exterior North Portal protects the eastward tunnel opening. The south opening has a concrete abutment. [15] Outside of the military complex are the parking lots, a fire station, [16] [b] and outdoor recreational facilities. The recreational amenities include Mountain Man Park, picnic areas, a racquetball facility, softball field, sand ...
Raven Rock Mountain is adjacent to Jacks Mountain on the north while Miney Branch flows west-to-east between them in the Potomac River Watershed.The 1820 Waynesboro-Emmitsburg Turnpike with toll station for the 1787 crossroad was constructed between the mountains, where the Fight at Monterey Gap was conducted after the 1863 Battle of Gettysburg (Stuart's artillery at Raven Rock Gap shelled ...