Spanish hydrography
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1875 Carta General del Archipielago Filipino 1902 US Edition
1875 map, Bajo de Masinloc, Carta General del Archipielago Filipino, IMOA, Philippine historical maps, Philippine Sovereignty, Scarborough Shoal, South China Sea, Spanish hydrography, Spratly Islands, West Philippine SeaThe 1875 Carta General del Archipiélago Filipino (1902 U.S. edition) is an official Spanish hydrographic map of the Philippine archipelago, later republished by the U.S. War Department, depicting the islands and surrounding seas with navigational depth soundings and maritime features including Scarborough Shoal and the Spratly Islands.