Columbia subject headings:
Water quality management--Government policy--United States.
Water quality management--United States.
Watershed management--Government policy--United States.
Watershed management--United States.
Harvard subject headings:
Legislative hearings.
Water quality management--Government policy--United States.
Water quality management--United States
Water--Pollution--Law and legislation--United States
Watershed management--Government policy--United States.
Watershed management--United States.
Princeton subject headings:
Water quality management--Government policy--United States.
Water quality management--United States.
Watershed management--Government policy--United States.
Watershed management--United States.