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Photograph

Northern Pacific switchback bridge #4, circa 1888

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During the construction of the Stampede Tunnel, the Northern Pacific Railroad had to provide an alternate route to Tacoma to bring in supplies. Workers built an impressive switchback track across the summit of the Cascades. The steep grades and deep ravines required the construction of numerous trestle bridges. Most were built from wood, which was nearby and plentiful.

This photo, taken in the late 1880s, shows switchback bridge No. 4 on the Northern Pacific Railroad's route across the Cascade Mountains.
ID Number: 1986.17.10
Date: Circa 1888
Creator(s): Davidson, I.G. (Isaac G.), Photographer
Physical Description: 1 photographic print mounted on cardboard : albumen, b&w ; 16 x 21 cm.
Credit: MOHAI, Frances Kenny Papers, 1986.17.10
Copyright: No Known Copyright
Subjects: Railroads