Relief shown by form lines shown at approximately 100 feet intervals and spot heights, and contours. Underwater features by coral or rock reef drawings. Depth shown by isolines in fathoms, and soundings. Shows six classes of roads or trails, three classes of railroads, areas of vegetation and cultivation. and military grid. Each sheet includes: index to boundaries, coverage diagram, meter to feet conversion graph, approximate mean declination chart, and index to adjoining sheets. Some by Allied Forces in Southwest Pacific Area (S.W.P.A. S851). Map Collection has all the published sheet. No more sheet were published for this set.