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About: Portland and Southwestern Railroad Tunnel     Goto   Sponge   NotDistinct   Permalink

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The Portland and Southwestern Railroad Tunnel, also known as the Nehalem Divide Railroad Tunnel, is an abandoned railroad tunnel near Scappoose, Oregon, United States, that is listed on the National Register of Historic Places. The tunnel was driven by the , whose chief business was logging. Unusually for a logging railroad, the Portland and Southwestern built tunnels. In order to reach the far side of the Nehalem divide in the Northern Oregon Coast Range, the railroad undertook a 1,712-foot (522 m) tunnel. Some work was started in 1910, but most work began in 1918 and was completed in 1919. Since the tunnel was not through solid rock, the tunnel was lined with timber. The tunnel was used until 1945, when it was replaced by a truck road over the divide.