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The Ohio River at the Great Bend near Leavenworth, Indiana

Lewis and Clark Eastern Legacy Trail Routes and Dates

The period of significance for the Lewis and Clark Eastern Legacy Special Resource Study begins January 24, 1803 when Congress authorized the 1804-1806 expedition and ends March 24, 1814 when the Lewis and Clark Journals were officially published. These series of maps are provided for reference with regard to this Special Resource Study.
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