TY - BOOK AU - Gay,Kathlyn TI - Water pollution SN - 0531109496 AV - TD223 .G38 1990 U1 - 363.73/94/0973 PY - 1990/// CY - New York PB - F. Watts KW - Water KW - Pollution KW - Juvenile literature KW - Water quality management KW - Water pollution N2 - Discuss the problem of our contaminated rivers, lakes, and oceans and proposes ways to purify them ER -