1845. Report of the Exploring Expedition to the Rocky Mountains in the Year 1842 and to Oregon and North California in the Years 1843 to 1844. Fremont is the legendary Pathfinder who became a national hero for his trailblazing exploits in the Far West. Contents include his reports to The Senate of the United States and the House of Representatives on his expeditions to the Rocky Mountains, Oregon and North California. The volume also includes a Catalogue of Plants collected by Fremont during his expedition to the Rocky Mountains.