THE PILOT REPORTED THAT HE WAS LANDING THE AIRPLANE IN A STRONG LEFT CROSSWIND. AS THE AIRPLANE TOUCHED DOWN, A DEER DARTED ACROSS THE RUNWAY, FROM THE RIGHT. HE SWERVED ABRUPTLY TO THE RIGHT TO AVOID THE DEER, AND WAS UNABLE TO RECOVER DIRECTIONAL CONTROL. THE LEFT WING DRAGGED THE GROUND AND THE AIRPLANE NOSED OVER WHEN IT ROLLED INTO A SHALLOW, WIDE DITCH.