The journals of Lewis and Clark /
edited and with an introduction by Frank Bergon.
- New York, N.Y. : Penguin Books, 2003, c1989.
- xlvi, 505 p. : ill. ; 20 cm.
- Penguin classics .
West (U.S.)--Description and travel. Missouri River--Description and travel. Columbia River--Description and travel. West (U.S.)--Discovery and exploration. West (U.S.)--History--To 1848.