TY - BOOK AU - Leahy, P. Patrick. AU - Rosenshein, Joseph S. AU - Knopman, Debra S. CN - I 19.76: CN - TD223 CY - Reston, Va. : CY - Denver, Colo. : DA - 1990. ID - 263379 KW - Water quality KW - Water quality management N1 - Distributed to depository libraries in microfiche. PB - Dept. of the Interior, U.S. Geological Survey ; PB - Books and Open-File Reports [distributor], PP - Reston, Va. : PP - Denver, Colo. : PY - 1990. T1 - Implementation plan for the National Water-Quality Assessment Program TI - Implementation plan for the National Water-Quality Assessment Program ER -