| 31. | There are four tunnels running through the hills at this point, as the canal tunnel is paralleled by three railway tunnels.
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| 32. | Along with Butterley Works blast furnaces, part of the canal tunnel and its underground wharf were declared a scheduled monument in 2013.
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| 33. | It is most famous for Sapperton canal tunnel and its connection with the Cotswold Arts and Crafts Movement in the early 20th century.
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| 34. | In the late 18th century a canal tunnel was built on the Arun Navigation to avoid a large loop of the River Arun.
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| 35. | Other abandoned tunnels hidden for decades have recently been discovered including a 460-metre canal tunnel from the River Irwell to the canal system
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| 36. | It was Europe's first navigable canal tunnel and a monument to the determination of Pierre-Paul Riquet, the chief engineer.
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| 37. | The canal tunnel is located between sluice 14 to Chalifert and sluice 13 to Lesches-Coupvray and has a length of 300 meters.
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| 38. | The GWR built north of the village, above the canal tunnel; British Railways closed it in 1966 but the line remains in use.
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| 39. | It opened in 1811 and is the longest and oldest of the four and is the longest and highest canal tunnel in the United Kingdom.
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| 40. | "' Auburn Tunnel "'was a 19th-century canal tunnel built for the Schuylkill Canal, near Auburn, Pennsylvania.
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