Western America, including California and Oregon, with maps of those regions, and of "the Sacramento Valley"
Description and travelTravelDiscovery and explorationUnited States Exploring Expedition (1838-1842)United States Exploring Expedition (1838-1842) (uri) http://id.loc.gov/authorities/names/n50065123 (uri) http://viaf.org/viaf/sourceID/LC|n50065123HistorySources
Writing a summary for young readers…
For young readers
Book data: Open Library