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On this day in Lewis & Clark history...

Lewis, having arrived at Cincinnati, Ohio with the Expedition's keelboat and cargo, writes a letter to William Clark.

From the journals...

Dear Clark,
After the most tedious and laborious passage from Pittsburgh I have at length reached this place...1

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

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.