Books By This Author
In descending order of popularity at this site
Undaunted Courage: Meriwether Lewis, Thomas Jefferson and the Opening of the American West
Steven Ambrose
Science - history / Nineteenth century / North american indians / Government policy / Discoveries (in geography) / West (usa) / Plant collecting / Herbaria / Expeditions / (1774-1809) / United states / Explorers / Lewis and clark expedition / Jefferson, thomas, 1743-1826 / Clark, william, 1770-1838 / Lewis, meriwether, 1774-1809