Collot’s maps of Louisiana were made in 1796 and were most likely planned for military intrigues and colonial conquest, but the work transcended its purpose in thoroughly documenting the earliest settlements of the Illinois Country. These plans were the most detailed to their time. Voyage dans l’Amerique Septentrionale ou Description des Pays arroses par le Mississipi, l’Ohio, le Missouri, et autres Rivieres Affluentes &c. Paris: Bertrand, 1826. Scale of 200 Fathoms.