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| Some bicentennial events along route of expedition |
 | Events marking the 200th anniversary of the Lewis and Clark expedition will be held at hundreds of places along the transcontinental route. Below are ''signature events,'' designated by the National Council of the Lewis and Clark Bicentennial.
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| Excerpts from expedition's journals |
 | The journals of Meriwether Lewis and William Clark are many things -- legal documents, whose precisely drawn maps helped define U.S. boundaries; scientific reports, with detailed descriptions and even drawings of many previously unrecorded species; and literature of a uniquely American kind.
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| A thumbnail sketch of William Clark |
 | William Clark was born on Aug. 1, 1770, in Caroline County, Va. He was a frontier militiaman and Army officer but had returned to his home near Louisvill
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