Tar Tunnel
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The Tar Tunnel is an abandoned tunnel located on the north bank of the River Severn in the Ironbridge Gorge at Coalport, England. It is one of ten Ironbridge Gorge Museums attractions administered by the Ironbridge Gorge Museum Trust.
Miners struck a gushing spring of natural bitumen, a black treacle-like substance, when digging a canal tunnel for the Coalport Canal in 1787,[1] or else digging a level in search of coal.[2][3] The plan, proposed by William Reynolds, was to connect the canal alongside the River Severn to the lower galleries of the mines below the Blists Hill area.[4] After digging around Script error: No such module "convert". into the hill the canal project was abandoned in favour of bitumen extraction. A wagonway was constructed in the tunnel to remove coal from the mines in before or during 1796.[5][6]
The tunnel was a great curiosity in the eighteenth century and bitumen still oozes gently from the brick walls today. Bitumen's chief commercial use at the time was to treat and weatherproof ropes and caulk wooden ships, but small amounts were processed and bottled as 'Betton's British Oil', a panacea remedy for rheumatism and scurvy.[7][3] After the canal project was abandoned the Hay Inclined Plane was built instead, its base being alongside the canal basin.
Commercial use of the tunnel ended in 1941 after which is saw some use as a air raid shelter before complete abandonment.[5]
In 1965 members of the Shropshire Mining Club entered the tunnel and were able to access the first 640 meters of it.[5] The tunnel was bought by Dawley District council in 1967.[5]
In the past visitors were provided with hard hats and were able to enter the first Script error: No such module "convert". of the brick-lined tunnel as far as an iron gate.[6] Electric lighting is provided.[6] Due to a build up of gas in the tunnel, it is unsafe to enter but visitors can still get a view along part of its length from the entrance.[8]
References
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- ↑ a b Script error: No such module "citation/CS1".
- ↑ Underground canals shropshirehistory.com, accessed 19 July 2015.
- ↑ a b c d Script error: No such module "citation/CS1".
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- ↑ Museum website accessed 26 July 2017.
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- www.shropshiretourism.info - Coalport Tar Tunnel
External links
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- Pages with script errors
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- 1787 establishments in England
- Museums in Shropshire
- Industry museums in England
- Archaeological museums in England
- Industrial archaeological sites in Shropshire
- Tourist attractions in Shropshire
- History of Shropshire
- Tunnels in Shropshire
- Ironbridge Gorge
- Underground mines in England
- Ironbridge Gorge Museum Trust
- Tunnels completed in 1787
- Disused tunnels
- Coalport