Title: Report of the exploring expedition to the Rocky Mountains in the year 1842, and to Oregon and North California in the years 1843-'44
Subtitle: 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
Subjects: American, Astronomy, Botany, Description and travel, Discoveries in geography, Discovery and exploration, Exploring expeditions, Geology, Gold mines and mining, History, Meteorology, Observations, Paleontology, Zamorano 80, Explorations, Descriptions et voyages
Places: California, Oregon, Pacific Coast (U.S.), Pacific Coast (United States), Pacific States, Rocky Mountains, Rocky Mountains Region, United States, West (U.S.), Région des Rocheuses, Montagnes, États-Unis, États-Unis (Ouest), Pacifique, Côte du (États-Unis), Rocky Mountains region, Région des Montagnes Rocheuses, Pacific coast (United States)
Time periods: To 1848, Jusqu'à 1848