Columbia subject headings:
Harvard subject headings:
Water resources development--West (U.S.)--Congresses.
Water--Law and legislation--West (U.S)--Congresses.
Water-supply--West (U.S.)--Congresses.
Princeton subject headings:
Water resources development--West (U.S.)--Congresses.
Water--Law and legislation--West (U.S.)--Congresses.
Water-supply--West (U.S.)--Congresses.