Relief shown by contours at 10 and 20 m., and spot heights. Depths shown in fathoms. Shows outlines of buildings (some with names), roads, railways, administrative boundaries, built-up areas, cemetaries, temples, lighthouses, and vegetation by symbols. "For use by War and Navy Department agencies only." Place names transcribed according to modified Hepburn (Romaji) system. Includes glossary, index to boundaries, and coverage diagram. Military grid.