The CR&NW had a 220-ft tunnel approximately 0.5 miles north of Uranatina, located at approximately railroad milepost 114.2.

Suspected location:
Acme Mapper

Sources

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