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Old April 29th 05, 10:15 PM posted to uk.rec.subterranea,uk.transport.london
[email protected] nospam_lonelytraveller_nospam@hotmail.co.uk is offline
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First recorded activity at LondonBanter: Apr 2005
Posts: 11
Default Euston mainline station basements

Is it the tube station maybe? that has quite a few levels - the ticket
office, lower concourse, charing cross branch, disused concourse, and
then city branch.

So it might be a vent for air from the tube somewhere?