"November 1992"--P. iii.Cover title.Includes bibliographical references (p. 12-14).Mode of access: Internet
The U.S. policy regarding water quality is codified in the 1972 Clean Water Act and amendments. The ...
"July 2002."Cover title.Includes bibliographical references (p. 28-32).Mode of access: Internet
Includes indexes."May 1993."Shipping list no.: 93-0389-P."Updates QB 91-49.""179 citations from AGRI...
"July 1993.""Water quality."Caption title.Includes bibliographical references (p. 18).Mode of access...
Winter 1991.Cover title.Includes bibliographical references.Mode of access: Internet
Aug. 1979.Grant no. R805036-01-0Includes bibliographies.Mode of access: Internet
Includes index."May 1986.""Updates QB. 84-36.""Database searched: AGRICOLA."Cover title.Mode of acce...
The limited success of command-and-control policies for reducing nonpoint source (NPS) water polluti...
Water quality is a major environmental issue. Pollution from nonpoint sources is the single largest ...
"Cooperative agreement no. CT900980 01"--P. 2 of cover."Office of Public Awareness, Environmental Pr...
Prepared for the National Commission on Water Quality."PB-250 015.""June 1975."Cover title.Includes ...
"SAF 95-01"--P. [ii] of cover.Cover title.Includes bibliographical references (p. 22-24).Mode of acc...
"EPA-600/5-78-005.""This report was submitted ... by the Institute for Environmental Studies, Univer...
"June 1987"-- p. iii.Cover title.Bibliography: p. 44-49.Mode of access: Internet
Shipping list no.: 89-1-P.Includes index."November 1988."Cover title."Updates QB 87-65.""Database se...
The U.S. policy regarding water quality is codified in the 1972 Clean Water Act and amendments. The ...
"July 2002."Cover title.Includes bibliographical references (p. 28-32).Mode of access: Internet
Includes indexes."May 1993."Shipping list no.: 93-0389-P."Updates QB 91-49.""179 citations from AGRI...
"July 1993.""Water quality."Caption title.Includes bibliographical references (p. 18).Mode of access...
Winter 1991.Cover title.Includes bibliographical references.Mode of access: Internet
Aug. 1979.Grant no. R805036-01-0Includes bibliographies.Mode of access: Internet
Includes index."May 1986.""Updates QB. 84-36.""Database searched: AGRICOLA."Cover title.Mode of acce...
The limited success of command-and-control policies for reducing nonpoint source (NPS) water polluti...
Water quality is a major environmental issue. Pollution from nonpoint sources is the single largest ...
"Cooperative agreement no. CT900980 01"--P. 2 of cover."Office of Public Awareness, Environmental Pr...
Prepared for the National Commission on Water Quality."PB-250 015.""June 1975."Cover title.Includes ...
"SAF 95-01"--P. [ii] of cover.Cover title.Includes bibliographical references (p. 22-24).Mode of acc...
"EPA-600/5-78-005.""This report was submitted ... by the Institute for Environmental Studies, Univer...
"June 1987"-- p. iii.Cover title.Bibliography: p. 44-49.Mode of access: Internet
Shipping list no.: 89-1-P.Includes index."November 1988."Cover title."Updates QB 87-65.""Database se...
The U.S. policy regarding water quality is codified in the 1972 Clean Water Act and amendments. The ...
"July 2002."Cover title.Includes bibliographical references (p. 28-32).Mode of access: Internet
Includes indexes."May 1993."Shipping list no.: 93-0389-P."Updates QB 91-49.""179 citations from AGRI...