Fresh water
Subtitle: the precious resource
By: [by] Delwyn Davies.
Contributors: American Museum of Natural History.
Series: Nature and science library
Publisher: Published for the American Museum of Natural History [New York] by the Natural History Press
Published: 1969
Place of publication: Garden City, N.Y
Language: eng
Number of pages: 155
Subjects: Water-supply -- Juvenile literature; Water; Water supply
Description: 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.