A colored map of Oregon, Washington, and parts of Idaho produced by the Oregon Pacific Railroad Company circa 1880. The map shows railroad lines under construction and proposed routes and connections, steamship lines along rivers and other navigable waterways, built and projected connections, and boundaries of land grants held by the Oregon Pacific Railroad Company. Scale [ca. 1:1,800,000]. Relief shown by form lines. Original map mounted on cloth backing. Item has also been identified as bb0175546.