Feby. 27. 1824
Almost at the moment of receiving yours of Decr. 28. my hand casually fell on the inclosed scrap, which I must have extracted from the Author* (borrowed for the purpose) on some occasion when the right of navigating the Mississippi engaged my attention. I add it to my former enclosures on that subject, merely as pointing to one source of information which may lead to others fuller & better.
*Linguet "Observations sur l’ouverture de l’Escaut