Date: 12/31/1969 Views: 2325
Date: 12/31/1969 Views: 6449
Date: 01/26/2010 Views: 6165
Date: 08/23/2023 Views: 95100
WingSet96Ann The area where the tie-bar passes through a depression in the tunnel has to be prepared for closure. The tunnel depression with the areas of fiberglass and foam core removed in preparation for closure.