clearences for rock and mud tunnels

History and Preservation of the former Denver & Rio Grande Western line-side structures on the Cumbres & Toltec

clearences for rock and mud tunnels

Unread postby Douglas van_Veelen » Tue Dec 27, 2016 9:33 am

Hi,

Does anyone happen to have the vertical and horizontal clearances for Rock or Mud tunnels?

Thanks.

Doug vV
Douglas van_Veelen
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