Format: | Briefly describes the causes of water pollution and the methods of purifying water on a large scale to make it fit for use. |
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Copyright: | 1969 |
LCCN: | 70075592 /AC |
Publisher: | New York, Putnam |
Physical Details: | 44 p. illus. (part col.) 22 cm. |
Record No.: | 141381 |
Type/Format | Call Number | Location | Due Date | Last Seen | Barcode |
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01. English Non Fiction | 628.1 CHE | M.E. Callaghan Intermediate School | 2013-06-24 | MECS768 |