TitleWater resources:Central LuzonContributorAllied Geographical SectionDescriptionInformation from US Geological Survey Strategic Engineering study no. 124. Based on USC & GS Manila 1941 sheet 100. Additional information by Allied Geographical Section.LanguageEnglish
Allied Geographical Section South West Pacific Area Terrain Studies (1944). Monash Uni, accessed 17/04/2026, https://collections.monash.edu/nodes/view/77083