History Map of the United
States 1804-1806: All Things Lewis and Clark
Exploration and Homecoming
Louisiana Purchase Boundary
Lewis and Clark National Historic Trail
Historical and descriptive text about the expedition and the
Discovering the legacy of Lewis and Clark. Bicentennial
commemoration 2003-2006. Preparation route source: Frank Muhly.
Philadelphia, Penn.: Lewis and
Clark Trail Heritage Foundation, 2003.