Culp, Gordon L. Williams, Robert B. Culp/Wesner/Culp text New York Van Nostrand Reinhold c1986 monographic xiv, 1113 p. : ill. ; 24 cm. Culp/Wesner/Culp ; edited by Robert B. Williams, Gordon L. Culp. 0 0 0 628_100000000000000_HAN Municipal water supply United States Water quality United States Water Purification United States 628.1 HAN 0442215975