United States of North America (Western States).

Map shows unusual boundary lines for Washington, Oregon, Nebraska, Minnesota, New Mexico, Utah, and Kansas as territories of the United States west of the Mississippi River; cities and towns, military posts, railways, major roads, water resources, and mining activity. Scale [1:4,748,000].
Date: 1862
Creator: Johnston, Alexander Keith, 1804-1871
System: The Portal to Texas History