Let's go to stop water pollution. ; By Chester, Michael.

Format:Briefly describes the causes of water pollution and the methods of purifying water on a large scale to make it fit for use.
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
01. English Non Fiction 628.1 CHE M.E. Callaghan Intermediate School 2013-06-24 MECS768