David Rumsey
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No. 28. Mindanao Occidental, Jolo.
1054.028
pilot4
No. 28. Mindanao Occidental, Jolo. Islas Filipinas Observatorio de Manila. United States Coast and Geodetic Survey. No. 28. Longitud E. del Meridiano de Greenwich. A. Hoen & Co., Baltimore. (1899)
1899
U.S. Coast and Geodetic Survey
36 × 30 cm
1 : 1450000