THE PILOT EXECUTED A WESTBOUND TAKEOFF FROM A SINGLE LANE, GRAVEL, SERVICE ROAD, AND REPORTED 20 KNOT WESTERLY WINDS WITH GUSTS TO 30 KNOTS. IMMEDIATELY FOLLOWING DEPARTURE HE TURNED LEFT AND SHORTLY THEREAFTER THE AIRCRAFT IMPACTED THE GROUND HEADING SOUTH. THE INITIAL GROUND IMPACT SITE WAS APPROXIMATELY 300 FEET SOUTH OF THE EAST/WEST GRAVEL ROAD FROM WHICH HE TOOK OFF.