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<br /> <br />o <br />C) <br />C:) <br />00 <br /><::> <br />o <br /> <br />Summary <br />Part I <br /> <br />Part II <br /> <br />Part III <br /> <br />Part IV <br /> <br />Page <br />. Frontispiece <br />I <br />1 <br />2 <br />4 <br />4 <br />8 <br />8 <br />15 <br />21 <br />21 <br />26 <br />26 <br />27 <br />28 <br />31 <br />31 <br />33 <br />33 <br />36 <br />37 <br />40 <br />40 <br />42 <br />44 <br />49 <br /> <br />CONTENTS <br /> <br />'. <br /> <br />Introduction. <br />Purpose and scope. . <br />Methodolo~, definitions, and assumptions. <br />Relationship to overall study. <br />History and background . <br />Present status of irrigation. <br />Irrigated lands (1965) . . <br />Irrigation practices . <br />Water utilization for irrigation <br />Diversions. <br />Return flows. . <br />Crop consumptive use. <br />Ade'lU!l.cyof supply. . <br />Depletion. . <br />Water 'luality. <br />General effects on irrigation <br />Suitability of water supply for irrigation. <br />Surface water. <br />Ground water . <br />Drainage . . <br />Contribution of irrigation to Region's economy <br />Characteristics of irrigated farms. <br />Number, type, and size of farms. <br />Land use and crop production . <br />Livestock numbers. <br />Value of crops, livestock, and livestock <br />products. .. <br />Water rights . <br />Irrigation potential. <br />Land. . <br />Water. <br />Re'luirements. <br />Availability. . . . <br />Future demand . . . <br />General. ... . . <br />Projections of demand for irrigated land <br />Projections of water re'luirements. . <br />Diversions. . . . , <br />Return flows. .. . . <br />Crop consumptive use.. . <br />Ade'luacy of supply. . <br />Depletions. . . . <br />Projections of water 'luality . <br />Projected ownership, land use, and crop production <br />Land ownership. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />ii <br /> <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />51 <br />54 <br />55 <br />55 <br />60 <br />60 <br />61 <br />63 <br />63 <br />65 <br />70 <br />70 <br />72 <br />72 <br />72 <br />72 <br />73 <br />75 <br />75 <br />