| Type |  Book |
| ชื่อเรื่อง | Fresh water : the precious resource / Delwyn Davies |
| ผู้แต่ง | Davies, Delwyn g. 1908- |
| พิมพลักษณ์ | Garden City, N.Y. : Published for the American Museum of Natural History [New York] by the Natural History Pr., 1969, c1967 |
| | Garden City, N.Y. : Published for the American Museum of Natural History [New York] by the Natural History Press, [c1969] |
| รูปเล่ม | 155 p. : ill. (some col.), maps ; 27 cm |
| หัวเรื่อง | Fresh Water |
| | Water supply |
| | Water |
| | Water-supply engineering |
| | Water-supply --Juvenile literature [] |