The Treaty of St. Mary's (also known as the Treaty with the Miami, 1818) was signed on October 6, 1818, at Saint Mary's, Ohio, between representatives of the United States and the Miami tribe and others living in their territory. The accord contained seven articles. Based on the terms of the accord, the Miami ceded territories beginning at the Wabash River, subsequently known as the New Purchase, to the United States. In another tenet of the accord, the United States agreed to pay the Miami a perpetual annuity of fifteen thousand dollars. Moreover, the United States agreed to construct one gristmill and one sawmill, as well as provide one blacksmith, one gunsmith, and agricultural implements. The Miami would also be provided one hundred and sixty bushels of salt annually.
Articles of a treaty made and concluded, at St. Mary's, in the State of Ohio, between Jonathan Jennings, Lewis Cass, and Benjamin Parke, Commissioners of the United States, and the Miami nation of Indians.
The Miami nation of Indians cede to the United States the following tract of country: Beginning at the Wabash river, where the present Indian boundary line crosses the same, near the mouth of Raccoon creek; thence, up the Wabash river, to the reserve at its head, near Fort Wayne; thence, to the reserve at Fort Wayne; thence, with the lines thereof, to the St. Mary's river; thence, up the St. Mary's river, to the reservation at the portage; thence, with the line of the cession made by the Wyandot nation of Indians to the United States, at the foot of the Rapids of the Miami of Lake Erie, on the 29th day of September, in the year of our Lord one thousand eight hundred and seventeen, to the reservation at Loramie's store; thence, with the present Indian boundary line, to Fort Recovery; and, with the line, following the courses thereof, to the place of beginning.
From the cession aforesaid the following reservations, for the use of the Miami nation of Indians, shall be made; one reservation, extending along the Wabash river, from the mouth of Salamanie river to the mouth of Eel river, and from those points, running due south, a distance equal to a direct line from the mouth of Salamanie river to the mouth of Eel river. One other reservation, of two miles (3 km) square, on the river Salamanie, at the mouth of Atchepongqwawe creek. One other reservation, of six miles (10 km) square, on the Wabash river, below the forks thereof. One other reservation, of ten miles (16 km) square, opposite the mouth of the river A Bouette. One other reservation, of ten miles (16 km) square, at the village on Sugar Tree Creek. One other reservation, of two miles (3 km) square, at the mouth of a creek, called Flat Rock, where the road to White river crosses the same.