Guam is made up of islands in the Pacific Ocean just south of the Mariana Islands: it is a territory of the United States.[1]Cocos Island is an island 1 mile (1.6 km) off the southern tip of the United States territory of Guam and is considered part of Guam.[2] Other islands in the Guam island chain are: Fofos, Cabras, As-Gadao and Agrigan. Fresh water in Guam is found in many marshy areas or ponds, and one large Fena Lake reservoir.[3]
^Curtis, W. F. (July 1984). Sedimentation survey of Fena reservoir, Guam, Mariana Islands, 1979 (Technical report). U.S. Department of Energy. OSTI5516584.