MFA Grain Elevator, St. Mary, Missouri Missouri farmers Association (MFA) grain elevator, St. Marys, Missouri. Looking from southwest across U.S. 61 Highway. Track runs just east of the elevator. Photograph dated November 1997. Photograph by yours truly. Edit 4/30/2024: The elevator address is 677 2nd Street, St. Mary, MO 63673-9113. Added ocation address. MKD