Preparing for the Journey
To prepare for the long list of tasks Jefferson had charged him with on the expedition, Lewis studied diligently with Jefferson and other leading scientists of the day.  He also assembled a library on topics such as navigation and botany that accompanied him on the journey.
               
The History of the American Indians by James Adair, 1775
The History of the American Indians by James Adair, 1775
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Report on the Lewis and Clark authorization, 1803
Report on Jefferson's authorization to dispatch Lewis and Clark, 1803.
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Detail of map showing the vicinity of Camp River Dubois, published by Ruben Golde Thwaites in  1905.
  
Detail of map showing the vicinity of
Camp River Dubois, published by
Ruben Golde Thwaites in 1905
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History of Louisiana, in three volumes by Antoine Le Page du Pratz, published in 1758
History of Louisiana, in three volumes,
by Antoine Le Page du Pratz, published in 1758
Detail, New Voyages to North-America, 2 volumes, by Baron Lahontan, 1735
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An Account of Louisiana, published by the Departments of State and Treasury in 1803  
An Account of Louisiana,
published by
the Departments of
State and Treasury in 1803
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detail, Genera Plantarum by Caroli a Linne, 1789
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