TY - BOOK ED - United States. ED - U.S. Govt. Print. Off. ED - Indiana University. TI - Problems and approaches to areawide water quality management U1 - 628.168 23 PY - 1973/// CY - Washington, D.C. PB - U.S. Govt. Print. Off. KW - Water KW - Pollution KW - Water quality management KW - United States. N1 - Appendix B, State reports; Includes bibliographical references ER -