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herbarium

(Encyclopedia) herbarium, collection of dried and mounted plant specimens used in systematic botany. To preserve their form and color, plants collected in the field are spread flat in sheets of…

Gilpin, William

(Encyclopedia) Gilpin, William, 1813–94, U.S. army officer, politician, and businessman, b. Philadelphia, grad. Univ. of Pennsylvania, 1833. He dropped out of West Point, but joined the army (1836)…

Lovejoy, Arthur Oncken

(Encyclopedia) Lovejoy, Arthur Oncken, 1873–1962, American philosopher and intellectual historian, b. Germany, grad. Univ. of California, 1895, M.A. Harvard, 1897. He also studied at the Sorbonne…

De Voto, Bernard Augustine

(Encyclopedia) De Voto, Bernard AugustineDe Voto, Bernard Augustinedə vōˈtō [key], 1897–1955, American writer and editor, b. Ogden, Utah, grad. Harvard, 1920. He taught at Northwestern Univ. (1922–27…

Morgan, George

(Encyclopedia) Morgan, George, 1743–1810, American merchant, Indian agent, and land speculator, b. Philadelphia. In 1765 he went as his firm's representative to engage in the fur trade in Illinois,…

Mullan, John

(Encyclopedia) Mullan, John, 1830–1909, American army officer and pioneer road builder, b. Norfolk, Va., grad. St John's Colllege, 1847, West Point, 1852. He was one of the chief aides of General I.…

Overland Trail

(Encyclopedia) Overland Trail, any of several trails of westward migration in the United States. The term is sometimes used to mean all the trails westward from the Missouri to the Pacific and…

Iowa, state, United States

(Encyclopedia) CE5 IowaIowaīˈəwə [key], midwestern state in the N central United States. It is bounded by the Mississippi River, across which lie Wisconsin and Illinois (E); Missouri (S); Nebraska…

North Dakota

(Encyclopedia) CE5 North Dakota, state in the N central United States. It is bordered by Minnesota, across the Red River of the North (E), South Dakota (S), Montana (W), and the Canadian provinces…