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Still photographs of tractor trailers operated by railroad companies

Technical Drawing 1219-25-18, Number 10, 15 Foot Spring Rail Frog, undated. Other subject categories: Drawing

Great Northern Blueprint Number 1191-32, B&S Patented Cattle Guard (also blueprint), 1906. Other subject categories: Drawing

Great Northern Blueprint Number 1209-30-2, Track Profile, Located Line, Logging Spur, Wilton to Long Lake, 1904. Other subject categories: Profile

Great Northern Blueprint Number 1216-28-2, Track Profile, Water Supply at White Fish, undated. Other subject categories: Profile

Great Northern Blueprint Number 1216-28-3, Track Profile, Whitefish Pipeline, undated. Other subject categories: Profile