Columbia subject headings:
Reclamation of land--United States.
United States. Bureau of Reclamation.
Water-supply--United States.
Harvard subject headings:
Irrigation--United States
Reclamation of land--United States
United States. Bureau of Reclamation.
Water-power--United States
Princeton subject headings:
Reclamation of land--United States.
United States. Bureau of Reclamation
Water-supply--United States.