File:The Binnian Tunnel, Silent Valley - geograph.org.uk - 1638260.jpg

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English: The Binnian Tunnel, Silent Valley. The mouth of the Binnian Tunnel at the Silent Valley. The tunnel is 2.5 miles long and was driven straight through Slieve Binnian 321583 to divert water from the Annalong Valley into the Silent Valley Reservoir. Over 150 men, working as two teams from either end of the tunnel, began work in 1947. Using only candlelight to judge the straightness of the bore, the two teams met around 3 years later some 800m under the summit of the mountain and were only inches off each others centre mark. See also 1638268 and http://www.bbc.co.uk/northernireland/yourplaceandmine/down/A727427.shtml for further information.
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Source From geograph.org.uk
Author Ross
Camera location54° 07′ 57″ N, 5° 59′ 54″ W  Heading=67° Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo
Object location54° 07′ 57″ N, 5° 59′ 51″ W  Heading=67° Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

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This file is licensed under the Creative Commons Attribution-Share Alike 2.0 Generic license.
Attribution: Ross
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current17:58, 4 March 2011Thumbnail for version as of 17:58, 4 March 2011517 × 640 (349 KB)GeographBot (talk | contribs)== {{int:filedesc}} == {{Information |description={{en|1=The Binnian Tunnel, Silent Valley The mouth of the Binnian Tunnel at the Silent Valley. The tunnel is 2.5 miles long and was driven straight through Slieve Binnian 321583 to divert water from th

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