Covers travels through Ohio and Kentucky and observations on mammoth bones (antiquities), floating mills, land prices and navigating the Ohio. Covers types of river transportation and shipment of goods between Natchez and Kentucky.
Clark writes his brother Jonathan from Kaskaskia, Illinois, relating how they have fared in their trip to St. Louis since leaving Louisville. Low water in the Ohio, high water in the Mississippi, lack of boat hands, and violent storms have all plagued them. Julia and M. Lewis have been tormented by the mosquitos. Soon after reaching the Mississippi, Rachiel (mosy likely an enslaved person) fell between the boats and drowned.
Tardiveau writes of religious matters among the French Catholics in the Illinois country. He mentions correspondence he has had with John Carroll in an attempt to influence the current ecclesiastical quarrels occurring in the Illinois country. At that time Carroll was the Perfect-Apostolic for the United States. He later became a bishop and archbishop.