Map of parts of Oregon, Washington & Idaho, showing the various operated & projected lines of the Oregon Railway & Navigation Co.; also the Oregon Improvement Co.'s. Property, Columbia and Puget Sound Railroad and lands in eastern Washington / Compiled and drawn from United States and railroad surveys by John R. Hanson, under the Direction of H. Thielsen, Chief Engineer, O.R. & N. Co., Portland, Orgn | Collections | The Huntington