TY - BOOK ED - United States. TI - Water treatment T2 - Manual EM PY - 1958/// CY - [Washington] PB - [Govt. Print. Off.] KW - Water KW - Purification KW - fast N1 - "Engineering and design."; July 2, 1958; 4to; [Issued with perforations]; Cover title; GPO Historic Shelflist Project - publication not in hand; CRDP Program record; Official use. Not available ER -