Image ID: SIL-39088007348253_0081_edit
Cite this: Manila Observatory. 1900. Atlas of the Philippine Islands., Washington [D.C.] : [U.S.] G.P.O.
Supplied Caption: The island of Mindanao, general map. Image from a series of maps prepared by Filipino scientist Father Jose P. Algue and published by the United States Coast and Geodetic Survey
