Title: Correspondence
Subjects: Correspondence, Academy of Science of St. Louis, Botanical specimens, California Geological Survey, Travel, Practical Politics, Western Union Telegraph Expedition (1865-1867)
Places: United States
People: Henry N. Bolander (1831-1897), William Henry Brewer (1828-1910), George Engelmann (1809-1884), J. D. Whitney (1819-1896), Asa Gray (1810-1888)