TitleBasilan I.:Pilas & Tapiantana groupsContributorAllied Geographical SectionDescriptionContains the inset map Pilas Gp (Zamboanga City) . Based on USC & GS charts nos 4511, 4512, 4518, 4540, 4543 with additional information from Census Atlas and 1:600,000 C & GS Mindanao map; Red letters in circles along coastline correspond with paras in Coastal Description of main studyLanguageEnglish
Allied Geographical Section South West Pacific Area Terrain Studies (1944). Monash Uni, accessed 10/05/2026, https://collections.monash.edu/nodes/view/77680
