Caption on image: "Tunnel on the White Pass and Yukon Route Alaska" Original image in Hegg Album 2, page 15 . Original photograph by Eric A. Hegg 634; copied by Webster and Stevens 146.A. *Subjects (LCTGM): Railroads--Alaska; Railroad tracks--Alaska; Trestles--Alaska; Tunnels--Alaska; Railroad locomotives--Alaska *Subjects (LCSH): White Pass & Yukon Route (Firm)