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3D laser scan of Severn Tunnel to pick up bore holes which had been drilled by Amco to try and find hidden shafts. Laser scanned 2000m from the Wales portal in and 200m from the Bristol portal.
Laser scan on 23/10/21 carried out by Scantech International . Scanned at every 20 meters except around the hidden shafts, which were scanned in medium resolution every 10m.
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This data is accurate on the date of survey indicated. Scantech International Ltd are not liable for any changes that might occur.
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