AARON SACHS. The Humboldt Current: Nineteenth-Century Exploration and the Roots of American Environmentalism. New York: Viking. 2006. Pp. xii, 496. $25.95.
AARON SACHS. The Humboldt Current: Nineteenth-Century Exploration and the Roots of American Environmentalism. New York: Viking. 2006. Pp. xii, 496. $25.95.
