Montgomery Bell Tunnel
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The Montgomery Bell Tunnel, also known as the 'Patterson Forge Tunnel, in Cheatham County, Tennessee, is a long tunnel through limestone rock which was the first "full-scale" water diversion tunnel built in the United States. It is also apparently the first "full-scale" tunnel of any type in the United States, according to histories of tunneling. It was built in 1819 by Montgomery Bell using the labor of slaves.〔
It was declared a National Historic Landmark in 1994.〔 It is now included in Harpeth River State Park.〔(Harpeth River State Park )." Retrieved: 2 July 2008.〕
It was built at about the same time, but apparently slightly before, the Auburn Tunnel of Pennsylvania's Schuylkill Navigation Canal, which began use in 1821
In the late evening, on September 2, 2011, a fire was lit in the tunnel. The amount of driftwood from 2010's flood in the tunnel enlarged the fire. The fire was eventually extinguished in the early hours of the morning. The tunnel, and the road passing over it, were damaged. It and the road were stabilized, however, and Montgomery Bell Tunnel is again safe.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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