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On this day in Lewis & Clark history...

The Captains remain in the Kaskaskia area on the Mississippi River in present Illinois. Lewis is planning to travel ahead to St. Louis and Cahokia, and Clark will command the boats. No journal entries are known to exist for this date.

From the journals...

As the boundaries of interior Louisiana are the high lands inclosing all the waters which run into the Missisipi or Missouri directly or indirectly, with a greater breadth on the gulph of Mexico, it becomes interesting to fix with precision by celestial observations the longitude & latitude of the sources of these rivers...1

Thomas Jefferson

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