When Meriwether Lewis, William Clark, and the "Corp of Discovery" left St. Louis, Missouri, on May 21, 1804, their mission was to explore the vast, unknown terr

Lewis and Clark's Expedition from the Mississippi River to the Pacific Ocean was the first governmental exploration of the "Great West." The history of this und

A straightforward account illustrated with maps, photographs, paintings, & diary entries.

When Meriwether Lewis, William Clark, and the "Corp of Discovery" left St. Louis, Missouri, on May 21, 1804, their mission was to explore the vast, unknown terr

One of the greatest challenges faced by William Clark and Meriwether Lewis on their 1804?6 Corps of Discovery expedition was that of medical emergencies on the