Northern Pacific Stampede Tunnel at Martin, Washington, circa 1960. East portal, snowshed, scout troop on outing walking out of tunnel. Photo by J.M. Fredrickson . Other Subject Classes: tunnel, people, mountain.

Great Northern tunnel at Scenic, Washington, looking northeast into west portal of the Cascade tunnel; bridge over Tye River in foreground. Other subject categories: Track-Rail, Tunnel, Right-of-Way, bridge

Great Northern tunnel at Scenic, Washington, looking northeast into west portal of the Cascade tunnel; bridge over Tye River in foreground. Other subject categories: Track-Rail, Tunnel, Right-of-Way

Great Northern tunnel at East Portal, Washington at entrance to Cascade Tunnel, east side. Other subject categories: Tunnel, Tunnel doors, Structure

Great Northern Tunnel at Tye, Washington, June 7, 1968, Old Cascade Tunnel, west portal. Other subject classes: Structure, Tunnel Portal

Great Northern Tunnel at Seattle, Washington, February 11, 1977, Seattle Tunnel, south portal. Other subject classes: Structure, Tunnel Portal

Great Northern Tunnel at Scenic, Washington, August 14, 1999, New Cascade Tunnel, west portal. Other subject classes: Structure, Tunnel Portal

Great Northern Tunnel at Scenic, Washington, July 27, 1982, New Cascade Tunnel, west portal. Other subject classes: Structure, Tunnel Portal

Great Northern Tunnel at Scenic, Washington, July 27, 1982, New Cascade Tunnel, west portal. Other subject classes: Structure, Tunnel Portal

Great Northern Tunnel at Berne, Washington, July 27, 1982, New Cascade Tunnel, east portal. Other subject classes: Structure, Tunnel Portal