00718nam a22001457a 4500003000400000005001700004008004100021020001500062082001700077100002600094245012600120260004500246300003700291655024400328SNU20130617105658.0130617b        xxu||||| |||| 00| 0 eng d  a0684826976  a917.8042 AMB  a Ambrose, Stephen E.	  aUndaunted courage b: Meriwether Lewis, Thomas Jefferson, and the opening of the American Westc/ by Ambrose, Stephen E.	  aNew York b: Simon & Schuster, c©1996.  a521 p. b: ill., maps c; 25 cm.  bLewis, Meriwether, -- 1774-1809. b, Clark, William, -- 1770-1838. b, Jefferson, Thomas, -- 1743-1826.b, Ambrose, Stephen E.	b, and Undaunted courage : Meriwether Lewis, Thomas Jefferson, and the opening of the American Westb, Archive.