Sheet 2531 Puerto Princesa PCGS First Edition 1964. PCGS 2531. First edition October 1964. Compilation 1954 AMS, PCGS, Corps of Engineers AFP, USC&GS, Bureau of Public Highways, and other agencies: large-scale topographic maps compiled 1945, medium-scale topographic maps compiled 1950, medium-scale hydrographic charts 1938-42, planimetry revised from 1946-51 aerial photography. Published PCGS.
Sheet 2532 Cagayan Island PCGS First Edition 1965. PCGS 2532. First edition May 1965. Compilation 1954 AMS, PCGS, Corps of Engineers AFP, USC&GS, Bureau of Public Highways, and other agencies: large-scale hydrographic chart 1942, small-scale hydrographic chart 1939. Published PCGS.
Sheet 2533 Dumaguete City PCGS First Edition 1964. PCGS 2533. First edition July 1964. Compilation 1954 AMS, PCGS, Corps of Engineers AFP, USC&GS, Bureau of Public Highways, and other agencies: large-scale topographic maps photogrammetric 1952, medium-scale hydrographic charts 1939-45, 1948-52 aerial photography. Published PCGS.
Sheet 2535 Surigao PCGS First Edition 1964. PCGS 2535. First edition December 1964. Compilation 1954 AMS, PCGS, Corps of Engineers AFP, USC&GS, Bureau of Public Highways, and other agencies: large-scale AMS photogrammetric compilations 1953-54, medium-scale hydrographic charts 1913-45, medium-scale topographic maps 1948, planimetry revised from aerial photography 1947, 1951 and 1952. Published PCGS.
Sheet 2536 Brookes Point PCGS First Edition 1965. PCGS 2536. First edition September 1965. Compilation 1954 AMS, PCGS, Corps of Engineers AFP, USC&GS, Bureau of Public Highways, and other agencies: medium-scale hydrographic charts 1938-42, small-scale hydrographic chart 1939, medium-scale aeronautical approach chart 1950, planimetry revised from 1947-49 aerial photography. Published PCGS.
Sheet 2537 Tubbataha Reefs PCGS First Edition 1965. PCGS 2537. First edition September 1965. Compilation 1954 AMS, PCGS, Corps of Engineers AFP, USC&GS, Bureau of Public Highways, and other agencies: medium-scale hydrographic chart 1938, small-scale hydrographic chart 1939, planimetry revised from 1947 aerial photography. Inset for Jessie Beazley Reef. Published PCGS.
Sheet 2538 Dipolog PCGS First Edition 1964. PCGS 2538. First edition December 1964. Compilation 1954 AMS, PCGS, Corps of Engineers AFP, USC&GS, Bureau of Public Highways, and other agencies: medium-scale topographic charts photogrammetric 1948, medium-scale hydrographic charts 1937-45, small-scale hydrographic chart 1940, planimetry revised from aerial photography 1947, 1948-49 and 1951-52. Published PCGS.
Sheet 2539 Cagayan De Oro City PCGS First Edition 1964. PCGS 2539. First edition December 1964. Compilation 1954 AMS, PCGS, Corps of Engineers AFP, USC&GS, Bureau of Public Highways, and other agencies: medium-scale topographic maps photogrammetric 1948, medium-scale hydrographic chart 1945, planimetry revised from aerial photography 1949 and 1951-52. Published PCGS.
Sheet 2541 Pulau Banggi PCGS First Edition 1965. PCGS 2541. First edition May 1965. Compilation 1954 AMS, PCGS, Corps of Engineers AFP, USC&GS, Bureau of Public Highways, and other agencies: large-scale topographic map compiled 1946, medium-scale topographic maps compiled 1944, medium-scale hydrographic charts 1921-40 corrected to 1950, planimetry revised from aerial photography 1947-48. Published PCGS.
Sheet 2542 Cagayan Sulu Island PCGS First Edition 1965. PCGS 2542. First edition May 1965. Compilation 1954 AMS, PCGS, Corps of Engineers AFP, USC&GS, Bureau of Public Highways, and other agencies: large-scale hydrographic chart 1944, medium-scale hydrographic chart 1950, planimetry revised from 1945 aerial photography. Published PCGS.