The CR&NW had a 200 ft. tunnel approximately 1.6 miles north of the Tiekel station site, somewhere around milepost 102.5. This tunnel is often seen in old photo postcards, and is called the “Mile 103 Tunnel”.
1: “Report of Archeological and Historical Investigations along the Copper River, Tasnuna River to Chitina to the Deptartment of Highways” Reger, Douglas; Cole, Terrence; Brown, Michael. Prepared for Alaska Division of Parks, Office of Statewide Cultural Programs, July 1975
2: “Draft Supplement to the Copper River High Final Environmental Impact Statement” Nov 3, 1976