Columbia subject headings:
Ecosystem management--West (U.S.)
Grazing--Government policy--West (U.S.)
Range policy--West (U.S.)
Harvard subject headings:
Ecosystem management--West (U.S.)
Grazing--Government policy--West (U.S.)
Range policy--West (U.S.)
Princeton subject headings:
Ecosystem management--West (U.S.).
Grazing--Government policy--West (U.S.).
Range policy--West (U.S.).