At a Council holden at Vincennes on the seventh day of August, one thousand eight hundred and three / under the direction of William Henry Harrison, governor of the Indiana territory, superintendent of Indian affairs, and commissioner plenipotentiary of the United States for concluding any treaty or treaties which may be found necessary with any of the Indian nations north west of the river Ohio, at which were present the chiefs and warriors of the Eel River, Wyandot, Piankashaw, and Kaskaskia nations, and also the tribe of the Kikapoes, by their representatives, the chiefs of the Eel River nation.