Relief shown by 100 meter contour interval, spot heights, and form lines. Map shows international, provincial and hsein boundaries, four classes of roads, four classes of railroads, rice fields. This series was published as A.M.S. L581 [contour]; L581 [form lines]; L581 type A [contour]; L581 type B [contour]; L581 ... Complete in 90 sheets. See index. Princeton University Map Library has 84 sheets. Includes meter to feet conversion graph, glossary, indexes to adjoining sheets, boundaries, coverage diagram and grid data Map projection for some sheets is Mercator. Compiled from Chinese maps at 1:1,000,000, Japanese and U.S. Hydrographic Charts, and British Admirality Charts.