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On this day in Lewis & Clark history...

Lewis and Clark take the keelboat down the Ohio River. If either Captain wrote a journal entry for today, it is lost. Near this date, they pass the French Islands and Threemile Island.

From the journals...

French island, channel left shore,
Three Mile Island, channel left shore

Zadok Cramer
Snippet from a book used by Meriwether Lewis to help navigate the Ohio River

Quotation and picture from The Navigator: Or, the Trader's Useful Guide in Navigating the Monongehela, Allegheny, Ohio and Mississippi Rivers by Zadok Cramer, Fifth Edition, published in 1806. Lewis used an earlier edition to help him navigate and describe the journey down the Ohio River.