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Lewis and Clark Expedition

Allegheny County · dedicated 2008 · 1 block N of 10th St. Bypass & Waterfront Dr. intersection, Pittsburgh

On Aug. 31, 1803, Capt. Meriwether Lewis launched a 50-foot "keeled boat" from Ft. Fayette, 100 yards downriver. This marked the beginning of the 3-year expedition commissioned by President Jefferson, which opened America to westward expansion.

David Rumsey Map Collection, Stanford Libraries

Marker data: Pennsylvania Historical and Museum Commission via data.pa.gov

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