01010cam a2200277 4500 121317662 TxAuBib 20070813120000.0 970512t19971996||||||||||||||||||||eng|u 9780684826974 0684826976 OKX OKX CLK MNK TxAuBib Ambrose, Stephen E. Undaunted courage [TP] : Meriwether Lewis, Thomas Jefferson, and the opening of the American West / Stephen E. Ambrose. New York : Simon & Schuster, 1997. ©1996. 521 p. : ill., maps ; 25 cm. "A Touchstone book". Includes bibliographical references (p. 503-506) and index. 20070813. Lewis, Meriwether 1774-1809. Clark, William 1770-1838. Jefferson, Thomas 1743-1826. Lewis and Clark Expedition 1804-1806. Explorers United States Biography.