Columbia subject headings:
Irrigation--Government policy--West (U.S.)--History.
Political corruption--West (U.S.)--History.
Water resources development--Government policy--West (U.S.)--History.
Harvard subject headings:
Irrigation--Government policy--West (U.S.)--History.
Political corruption--West (U.S.)--History.
Water resources development--Government policy--West (U.S.)--History.
Princeton subject headings: