00976cam a2200265 4500 513438188 TxAuBib 19960311120000.0 950811s1996||||||||||||||||||||||||eng|u 95037146 9780684811079 hc 0684811073 hc DLC DLC DLC TxAuBib Ambrose, Stephen E. Undaunted courage : Meriwether Lewis, Thomas Jefferson, and the opening of the American West / Stephen E. Ambrose. New York : Simon & Schuster, 1996. 511 p. : ill., maps ; 25 cm. Includes bibliographical references (p. 493-496) and index. 20010725. Lewis, Meriwether 1774-1809. Clark, William 1770-1838. Jefferson, Thomas 1743-1826. Lewis and Clark Expedition 1804-1806. Explorers United States Biography.