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On this day in Lewis & Clark history...

The keelboat heads down the Ohio River between Big Bone Lick and Louisville. Near this date, they pass present Warsaw, Kentucky.

From the journals...

A small willow 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.