TY  - BOOK
AU  - Davies, Delwyn G.,
AU  - 
ED  - 
ED  - 
ED  - American Museum of Natural History.
ED  - 
TI  - : the precious resource
SN  - 2
PY  - 1969///.;copyright 196746
CY  - Garden City, N.Y
PB  - Published for the American Museum of Natural History [New York] by the Natural History Press
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Juvenile literature
KW  - Water-supply;Water.;Water supply
N1  - 5
N2  - Discusses the physical and chemical properties of water, its biological importance to all forms of life, man's extensive uses but limited sources of fresh water, and the modern problems of water supply, pollution, and purification
ER  -