Liguasan Marsh (lĬgwəsän´, lĬgwä´sän), extensive swamp region, c.25 mi (40 km) long and 20 mi (30 km) wide, along the Pulangi River, S central Mindanao, the Philippines. There are fertile rice-growing areas and mangrove forests in the marsh. A game refuge and bird sanctuary (c.170 sq mi/440 sq km) was established there in 1941.
"Liguasan Marsh." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. (February 22, 2019). https://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/liguasan-marsh
"Liguasan Marsh." The Columbia Encyclopedia, 6th ed.. . Retrieved February 22, 2019 from Encyclopedia.com: https://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/liguasan-marsh