Title: Correspondence
Subjects: Correspondence, Plants, Scientific expeditions, Frémont Expedition (3rd : 1845-1847), Frémont Expedition (2nd : 1843-1844), Frémont Expedition (1st : 1842), Explorers, Discovery and exploration
Places: West (U.S.)
People: John Torrey (1796-1873), John Charles Frémont (1813-1890)