TitleBolinao to Port Sual:Ref section VI para 3ContributorAllied Geographical SectionDescriptionFrom USC & GS chart 4209. Sounding in fathoms at mean lower low water.LanguageEnglish
Allied Geographical Section South West Pacific Area Terrain Studies (1944). Monash Uni, accessed 12/05/2026, https://collections.monash.edu/nodes/view/77028