1st June 1944. Map to accompany Sec VII; Showing general pattern of mountain ranges; Prepared by U. S. geological survey for Chief of Engineers, U. S. Army; Terrain diagram drawn on map base, AMS5301, 1:1,000,000, sheets NC51, NC52, NB51, and NB52. Details added from Philippine Coast and Geodetic Survey Map 50, Mindanao, 1:6000,000; from U.S. Coast and Geodetic Survey charts, 1:50,000 to 1:200,000; and from military, geological, and forest surveys. Data supplemental where possible from photographs, published descriptions, and oral acounts. Altitudes in feet above sea level.