One album containing 48 black and white photographs that depict the construction of the Cascade Tunnel for the Great Northern Railway. Scenes include workers, worker camps, equipment, and landscapes.

Album of black and white photographs taken during construction of the Cascade Tunnel in Washington state by the Great Northern Railway. Many of the photographs depict scenes of or near the West Portal of the tunnel, including views of switchbacks, Tye Creek, workers, and buildings at the work camp.