GEORGE DROUILLARD's promissory note to Frederick Graeter, showing his presence in Fort Massac, February 11, 1804. (Printed in the book "George Drouillard: Hunter and Interpreter for Lewis and Clark and Fur Trader, 1807-1810" by M.O. Skarsten, Forest Grove, Oregon. Printed by The Arthur H. Clark Co, Glendale, California, 1964.)