2020-01-152020-01-15http://hdl.handle.net/1885/1978647 MB1 map160 MB1 map300 dpiimage/jpgimage/tiffenCopyright ExpiredTopographyPhilippines -- MapsPhilippines, Cagayan Sulu Island, PCGS Series, Sheet 2542, 1965, 1:250 00019652020-01-15