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Lewis & Clark National Historic Trail volunteers disembarking after two hours of trash pickup along the riverbanks
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Lewis & Clark National Historic Trail
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Seaman was Lewis's Newfoundland dog

Did You Know?
Seaman, Lewis’s Newfoundland dog, joined the Expedition in Philadelphia when Lewis purchased him for $20. On the journey, Seaman served the Corps as hunter, sentry, and companion. Upon reaching the Pacific, Seaman became the first dog to travel the breadth of the North American continent.

Last Updated: May 28, 2011 at 11:05 MST