Transport Research International Documentation (TRID) https://trid.trb.org/ en-us Copyright © 2024. National Academy of Sciences. All rights reserved. http://blogs.law.harvard.edu/tech/rss tris-trb@nas.edu (Bill McLeod) tris-trb@nas.edu (Bill McLeod) Transport Research International Documentation (TRID) https://trid.trb.org/Images/PageHeader-wTitle.jpg https://trid.trb.org/ The Effect of Topography on Stability of Shallow Tunnels Case Study: The Diversion and Conveyance Tunnels of Safa Dam https://trid.trb.org/View/1502664 Wed, 21 Mar 2018 10:13:40 GMT https://trid.trb.org/View/1502664