15th September 1944. Channel across the bar corrected from information received from Bureau of Public Works and local pilots in Mar. 1938; Authorities: surveys to 1936. Soundings across the bar by Bureau of Public Works in Mar. 1938
15th September 1944. This map is for the purpose of identification of road numbers only. For classification details and descriptions see Sectional Maps; Based on Philippine Islands, Northern Luzon, First edition AMS 1