Sibolon is an island in the Philippines.[1] In 1848, its elevation was recorded at 148 feet (45 m), and it was noted as being unsafe for ships and boats to approach at that time.[2]
See also
edit
References
edit- ^ Schurman, J.G.; Dewey, G.; Otis, E.S.; Denby, C.; Worcester, D.C. (1901). Report of the Philippine Commission to the President, January 31, 1900 [-December 20, 1900]. Doc. no. 138. U.S. Government Printing Office. p. 74.
- ^ Military notes on the Philippines: September 1898. Document (United States. War Dept.). Govt. Print. Off. 1898. p. 192.
Further reading
edit- Survey, U.S. Coast and Geodetic; Christman, R.J. (1919). United States Coast Pilot, Philippine Islands. Its Serial series. U.S. Government Printing Office. p. 174.