Western Masbate Island

1951

Philippine Coast and Geodetic Survey

1:100k

Western Mindanao

1912

1:411k

Western Mindanao

1908

1:411k

Western Mindanao

1905

1:411k

Harbors on South and West Coasts of Mindanao

1922

C&GS

1:30k

Harbors of the South and West Coasts of Mindanao

1913

C&GS

1:30k

Harbors on the South Coast of Mindanao

1925

C&GS

1:30k

Harbors on the South Coast of Mindanao

1919

C&GS

1:30k

Harbors on the South Coast of Mindanao

1910

C&GS

1:30k

No. 28. Mindanao Occidental, Jolo.

1899

U.S. Coast and Geodetic Survey

1:1m