In a letter of 7 Nov. to Gallatin, Chouteau also sent this Aperçu, or estimate, of the number of fighting men in Indian nations in upper Louisiana, as well as a survey of the annual amount of merchandise needed to trade with the largest tribes (Nasatir, Before Lewis and Clark description begins A. P. Nasatir, ed., Before Lewis and Clark: Documents Illustrating the History of the Missouri, 1785-1804, St. Louis, 1952, 2 vols. description ends , 2:758-60).

Arcansas: the Quapaws. The chawnon were likely a group of Shawnees settled west of the Mississippi River. The group listed as the Gros Ventre were more likely the Hidatsas, as French traders had for some time confused the nations. The Padodos were probably a band of Apaches living on the plains, while Laytanne was a French name for the Comanches (Sturtevant, Handbook description begins William C. Sturtevant, Handbook of North American Indians, Washington, D.C., 1978- , 15 vols. description ends , 13:511-12, 515, 518, 564, 693, 903, 939; 15:223-4, 631, 634; Vol. 42:9–11).