TY - BOOK AU - Ambrose, Stephen E. TI - Undaunted courage : : Meriwether Lewis, Thomas Jefferson, and the opening of the American West SN - 0684826976 U1 - 917.8042 AMB PY - 1996/// CY - New York PB - : Simon & Schuster, KW - Lewis, Meriwether, -- 1774-1809. KW - , Clark, William, -- 1770-1838. KW - , Jefferson, Thomas, -- 1743-1826 KW - , Ambrose, Stephen E. KW - , and Undaunted courage : Meriwether Lewis, Thomas Jefferson, and the opening of the American West KW - , Archive ER -