Columbia subject headings:
Harvard subject headings:
Stream measurements--New York (State)--Periodicals.
Water quality--New York (State)--Periodicals.
Water-supply--New York (State)--Periodicals.
Princeton subject headings:
Stream measurements--New York (State)--Periodicals.
Water quality--New York (State)--Periodicals.
Water-supply--New York (State)--Periodicals.