Date: 12/31/1969 Views: 3783
Date: 01/23/2006 Views: 3986
Date: 06/27/2008 Views: 2597
Date: 08/23/2023 Views: 89096
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.