Tunnel design question
NW Mailing List
nw-mailing-list at nwhs.org
Tue Aug 24 13:14:36 EDT 2010
Does anyone know what factors went into the separated design of Huger or
Montgomery tunnels versus both tracks through the same bore like Elkhorn, Davy
and Roderfield?
Are there other separated tunnels (other than Hatfields, which were bored at
separate times?)Michael Shockley
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