Columbia subject headings:
Harvard subject headings:
Indians of North America--West (U.S.)
Water resources development--West (U.S.)
Water--Law and legislation--West (U.S.)
Water-supply--West (U.S.)
Princeton subject headings:
Indians of North America--West (U.S.)
Water resources development--West (U.S.)
Water-supply--West (U.S.).
Watershed management--West (U.S.).