00557     2200181   4500001002100000008004100021035002000062245005500082100005200137260004100189300005100230084001500281520001800296082001100314650001700325650002200342990001100364INLIS000000000008190                                   Ind    a0010-1118008190  aWater supply and pollution controlcCLARK, John W.  aJohn W. Clark; Warren Viessman Jr. ... [et al.]  aLondonbInternational Textbookc1971  a661 p. : ill. ; 18 cm.c661 p. : ill. ; 18 cm.  a628.19CLAw  aIndex: p. 651  a628.19  aWATER SUPPLY  aPOLLUTION CONTROL  a567/79