Research technical memorandum (series). 15. Discharge of palletized unit loads over-the-beach to tractor trailers, use of crawler cranes and rough terrain forklifts for over-the-beach discharge, of LCM-6, LCM-8 and LCU landing craft: prepared for Transportation Research and Development Command, Fort Eustis, Va. Dunlap and Associates, Inc., Stamford, Conn., July 1956.