West On Cortez Rd; Past 75Th St West; Go Past Flashing Light At Mt Vernon Main Entrance; Turn South On Independence (Where Ace Hardware Is); Take Independence Past Stop Sign; Around Curve; Just Past Curve Is Building B; Park In Open Parking; Take Sidewalk At Corner Of Buildings A & B To Elevator Or Stairs; Turn Left Out Of Elevator Or Turn Right From Top Of Stairs To 4723; Supra On Front Door.