1. T Arnow . 1954 . The hydrology of the northern Marshall Islands. Atoll Research Bull. No. 30. pp. 1 -7 .
2. J. F. Ayers, and R. N. Clayshulte . 1983 . A preliminary investigation of salt-water intrusion on Nukuoro Island, Nukuoro Atoll, Ponape State. Technical Report No. 44. Water and Energy Research Institute, Univ. of Guam. 115 pp.
3. J. F. Ayers, and R. N. Clayshulte . 1983 . Reconnaissance level investigation of salt-water intrusion on Kuttu Island, Satawan Atoll, Truk State. Technical Report No. 48. Water and Energy Research Institute, Univ. of Guam. 102 pp.
4. J. F. Ayers, H. L. Vacher, R. N. Clayshulte, D. Strout, and R. Stebnisky . 1984 . Hydrogeology of Deke Island, Pingelap Atoll, Eastern Caroline Islands. Technical Report No. 52. Water and Energy Research Institute, Univ. of Guam. 366 pp.