Philippine Islands. Mindoro and Adjacent Islands. Cuyo Is. To Cabra I. Including Mindoro Strait and Sibuyan Sea. From the United States Cost Survey Charts to 1922.

Philippine Islands. Samar and Leyte. San Juanico Strait and Approaches. From the United States Government Surveys to 1935. With Additions and Corrections from the Philippine Gov’t. Charts to 1957. inset: 1) Northern Entrance to San Juanico Strait. From the United States Government Surveys of 1925. With Additions and Corrections from the Philippine Gov’t. Charts to 1957.