1941 altered 7th November 1944. Coast and Geodetic Survey Manila, P.I. 1941 ; Sources of information US Coast and Geodetic Survey, U.S Army Engineers, Bureau of Public Works ; Bureau of Lands, Bureau of Forestry and other, Philippine Government…
5th October 1944. Coast and Geodetic Survey Manila, P.I. 1940 ; Sources of information US Coast and Geodetic Survey, U.S Army Engineers, Bureau of Public Works ; Bureau of Lands, Bureau of Forestry and other, Philippine Government Bureaus and…
18th September 1944. Coast and Geodetic Survey Manila, P.I. 1940 ; Sources of information US Coast and Geodetic Survey, U.S Army Engineers, Bureau of Public Works ; Bureau of Lands, Bureau of Forestry and other, Philippine Government Bureaus and…