"United States. General Accounting Office." . . "Water-supply West (U.S.)" . . "United States. Department of Agriculture." . . "United States. Department of the Interior." . . . . . "More and better uses could be made of billions of gallons of water by improving irrigation delivery systems, Departments of Agriculture and the Interior : report to the Congress" . . . . . . . . . . . "More and better uses could be made of billions of gallons of water by improving irrigation delivery systems : Departments of Agriculture and the Interior : report to the Congress" . . . . . . . "More and better uses could be made of billions of gallons of water"@en . . . . . . . . . "More and better uses could be made of billions of gallons of water by improving irrigation delivery systems : Departments of Agriculture and theInterior : report to the Congress"@en . . . . . . . . . . "More and better uses could be made of billions of gallons of water by improving irrigation delivery systems Departments of Agriculture and theInterior : report to the Congress"@en . "More and better uses could be made of billions of gallons of water by improving irrigation delivery systems, Departments of Agriculture and the Interior report to the Congress"@en . . . . . "More and better uses could be made of billions of gallons of water by improving irrigation delivery systems Departments of Agriculture and the Interior : report to the Congress"@en . . . . "United States, West." . . "Water-supply." . . "Irrigation canals and flumes Maintenance and repair." . .