TY  - BOOK
AU  - Desonie,Dana
TI  - Hydrosphere: freshwater systems and pollution 
T2  - Our fragile planet
SN  - 9781438105673 (electronic bk.)
AV  - QH545.W3 D47 2008eb
U1  - 551.48 22
PY  - 2008///
CY  - New York
PB  - Chelsea House
KW  - Water
KW  - Pollution
KW  - Environmental aspects
KW  - Juvenile literature
KW  - Health aspects
KW  - Fresh water
KW  - Purification
KW  - Electronic books
KW  - local
N1  - Description based on print version record; Includes bibliographical references and index; The water cycle -- Surface waters -- Surface water resources -- Groundwater and its use -- Where water pollutants come from and where they go -- Possible health effects of toxic chemicals -- Toxic organic pollutants -- Toxic inorganic pollutants -- Biological pollutants -- Cleaning point source pollution -- Modern water cleanup issues -- The history of water pollution in the Great Lakes -- Conclusion -- Glossary
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UR  - http://www.myilibrary.com?id=130702
UR  - http://site.ebrary.com/id/10284268
ER  -