Report of the exploring expedition to the Rocky Mountains in the year 1842, and to Oregon and North California in the years 1843-'44
to which is added a description of the physical geography of California : with recent notices of the gold region from the latest and most authentic sources

No description available.
AmericanAstronomyBotanyDescription and travelDiscoveries in geographyDiscovery and explorationExploring expeditionsGeologyGold mines and miningHistoryMeteorologyObservations