Columbia subject headings:
Salinization--Control--Colorado River Watershed (Colo.-Mexico)
Soil conservation--Colorado River Watershed (Colo.-Mexico)
Soils, Salts in--Colorado River Watershed (Colo.-Mexico)
Water quality management--Colorado River Watershed (Colo.-Mexico)
Harvard subject headings:
Princeton subject headings:
Public lands--United States.
United States. Bureau of Land Management
Water quality management--Colorado River Watershed (Colo.-Mexico).
Water salinization--Colorado River Watershed (Colo.-Mexico).