Charts. Lapunlapun Anchorage, north coast of Cagayan Sulu, from Spanish survey in 1884, scale 1:15,000; Cagayan Sulu and adjacent islands, P. I., from British survey in 1871, additional topography by U. S. Engineers in 1914; scale 1:75,000; chart 4348.
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Lapunlapun Anchorage, north coast of Cagayan Sulu, from Spanish survey in 1884, scale 1:15,000; Cagayan Sulu and adjacent islands, P. I., from British survey in 1871, additional topography by U. S. Engineers in 1914; scale 1:75,000; chart 4348.
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Charts. Lapunlapun Anchorage, north coast of Cagayan Sulu, from Spanish survey in 1884, scale 1:15,000; Cagayan Sulu and adjacent islands, P. I., from British survey in 1871, additional topography by U. S. Engineers in 1914; scale 1:75,000; chart 4348.