Region IV Southern Tagalog - Philippines. Mapping and Resource Information Authority (Makati, Metro Manila National Mapping and Resource Information Authority, 1990)
Clarke spheroid 1866 Luzon datum.
Elevations in meters above mean sea level.
Inset: Location diagram -- Kalayaan Group. -- Scale 1 : 2,500,000. -- 32 x 32 cm. -- Tubbataha Reefs. -- Scale indeterminable. -- 23 x 19 cm.
Includes: General information.
Keywords: Southern Tagalog -- Maps; Kalayaan Islands -- Maps; Tubbataha Reefs -- Maps