Map shows state and territorial boundaries, areas of Native Amwerican habitation, railroads, roads, military posts, cities, towns, and Yellowstone National Park. Relief shown by hachures and spot heights. Scale [ca. 1:3,800,000].

Map shows county lines, cities and towns, military posts, existing and proposed railroad routes, areas of Native American habitation, and mineral resources; territories of Washington, Montana, Idaho, Utah, and Arizona. Relief shown by hachures and spot heights. Scale [ca. 1:2,680,000] and [ca. 1:2,450,000].

Mid-nineteenth century map shows Oregon surrounded by Washington to the north and east, Washington extending to the Rocky Mountains and bounded by "Nebraska Territory" to the east and to the south by the "Territory of Utah;" areas of Indian habitation, counties, settlements, and military posts. Relief indicated by hachures and spot heights. Scale [ca. 1:3,240,000].

Mid-nineteenth century map shows Oregon surrounded by Washington to the north and east, Washington extending to the Rocky Mountains and bounded by "Nebraska Territory" to the east and to the south by the "Territory of Utah;" areas of Indian habitation, counties, settlements, and military posts. Relief indicated by hachures and spot heights. Scale [ca. 1:3,240,000].

Map shows major roads, western states of Washington and Oregon reaching to Nebraska, California adjacent to Utah and New Mexico. Includes notes. Relief shown by hachures. Depths shown by soundings. Scale not given.

Map shows major existing and proposed railroad and canal routes; major cities, state and territorial boundaries; "Missouri or North West Territory," Washington, Oregon, Utah, New Mexico, and Minnesota territories. Includes table of "Dimensions of Locks," notes, state populations, and distances between points; note specifically discusses the widening of the Welland Canal. Small hand logo or symbol near center of map points to Chicago. Relief shown by hachures. Scale not given.