Seventy-eight maps show the development of the American West, defined for this resource as those 17 continental states west of the Missouri River, from explorations in the 16th century to the location of World War II prisoner-of-war and Japanese internment camps. The atlas includes maps of geographic, flora and fauna data. Maps are on the left pages, and narratives about the maps are on the facing pages. An Appendix shows Spanish-Mexican land grants. Includes a section on Native American tribes. Describes European contacts and settlements.