Columbia subject headings:
Colorado River (Colo.-Mexico)--Regulation.
International Boundary & Water Commission, United States & Mexico.
Rio Grande (Colo.-Mexico and Tex.)--Regulation.
Harvard subject headings:
Colorado River (Colo.-Mexico)--Regulation.
International Boundary & Water Commission, United States & Mexico.
Legislative hearings.
Rio Grande (Colo.-Mexico and Tex.)--Regulation.
Princeton subject headings: