When the two reached Fort Leavenworth, they reported the still. On June 30, 1834, Congress prohibited distilleries in Indian territory - a law that is still on the books today, although most laws against selling liquor to Indians were repealed in 1948. The distillery at Fort Union effectively ended the career of the American Fur Company's best field trader, Kenneth McKenzie; he was fired. In 1834, John Jacob Astor retired, and sold the western division of American Fur to Pierre Chouteau, Jr., who had been Astor's St. Louis agent since 1827. McKenzie spent his last years in Affton, Missouri as a farmer. He died on April 26, 1861 and was buried at Bellefontaine Cemetery in St. Louis. Fort Union Trading Post National Historic Site Joseph LaBarge Steamboat captain of steamboats used in McKenzie's service