June 29, 1803

Personnel expenditures

In Washington City, Henry Dearborn of the War Department of the United States authorizes expedition expenditures for a lieutenant, corporal, sergeant, interpreter, and 10 privates—an expense of $2412.

 

June 20, 1803

Jefferson's instructions

In Washington City, the final draft of Jefferson‘s instructions for the Western Expedition is completed. Lewis is given a wide range of objectives and promised open letters of credit to use as needed.

 

March 4, 1803

Jefferson's secret plans

Washington, DC Louis-André Pichon, secretary to the French legation to the United States, explains with remarkable detail and accuracy Jefferson’s secret plans for the Western Expedition.