Columbia subject headings:
Water conservation--United States--Abstracts--Periodicals.
Water resources development--United States--Abstracts--Periodicals.
Harvard subject headings:
Water--Abstracts--Periodicals.
Water--Indexes--Periodicals.
Water--Periodicals--Abstracts--Periodicals.
Water--Periodicals--Indexes--Periodicals.
Princeton subject headings:
Periodicals.
Water resources development--Periodicals.