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., From Collot's work "Voyages dans l'Amérique Septentrionale, ou Description des pays arrosés par le Mississippi, l'Ohio, le Missouri et autres rivières affluentes..." Published in Paris by A. Bertrand, 1826.