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Southern Pacific freight train symbol OS at Ambrose

Southern Pacific freight train symbol OS at Ambrose

Train OS (Extra 8421 East) is at Ambrose (milepost 485) on May 13, 1973. Train OS (Oregon Special) handled manifest and perishable traffic (mostly lumber) from Eugene to Ogden, Utah.

Southern Pacific freight train symbol OS near Canby

About ten minutes later the train is descending the two percent grade down to Canby. Disk 21