S-13A Structure Improvements and Hydraulic DesignTechnical Publication ERA-463;
Appendix A Hydraulic Model for Flow Regulation through the S-13A Structure through the S-13A Structure
; "January 2008."
Bridge Construction, Newfound Gap Road, circa 1934Great Smoky Mountains National ParkBridge Construction; Newfound Gap Road; II-F-(4)-NFG-16204, Physical Facilities - Footlogs and Bridges - Bridges on Newfound Gap Road.