2020-01-152020-01-15http://hdl.handle.net/1885/1978576 MB1 map162 MB1 map300 dpiimage/jpgimage/tiffenCopyright ExpiredTopographyPhilippines -- MapsPhilippines, Mindanao, Surigao, PCGS Series, Sheet 2535, 1964, 1:250 00019642020-01-15