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<br />Potential for On-Farm Improvements <br />Lower Gunnison Salinity Study <br /> <br />TABLE OF CONTENTS <br /> <br />I. Summary (to be developed) <br /> <br />. <br /> <br />II. Introduction. <br />Authority for Investigation <br />Purpose and Objectives <br />Scope of Study <br />Study Coordination <br />Irrigation Management Scheduling <br />Description of Plan Formulation <br />Levels of System Improvements <br />Economic Analysis <br /> <br />III. Setting <br />Location <br />Natural Environmental Characteristics <br />Physiography and Geology <br />Climate <br />Water Supply <br />Land Resources <br />Wildlife Resources <br />Social and Economic Characteristics <br />Present Land and Water Uses <br /> <br />IV. Problems and Needs <br />Historical <br />Salinity"Problems in the Lower Gunnison Unit <br />Salt Sources <br />Summary of Salt Loading <br />Erosion and Sediment <br />Water Supply Management <br />Water Budget Analysis <br /> <br />V. Alternative Plans <br />Prioritization <br />Improved Methods of Irrigation <br />Alternative One - No Project Action <br />Alternative Two - Accelerated Improvement <br />Alternative Three - Land Retirement <br />Alternative Four - Combination of Levels <br /> <br />~ <br /> <br />VI. Selected Plan <br />Plan Selection <br />Irrigated Cropland <br />Non-Irrigated Cropland <br />Implementation Program <br /> <br />. ---~. -- - ".- <br />.' ". <br /> <br />II-I <br />II-Z <br />II-4 <br />II-5 <br />II-6 <br />II-6 <br />II-14 <br />II-18 <br /> <br />,j.,'. <br /> <br />'. J.: <br /> <br />" '. <br />'. ~~ ' : ' <br /> <br />III-I <br />III-Z <br />III-Z <br />III-Z <br />III-3 <br />1II-3 <br />1II-4 <br />III-6 <br />III-IO <br /> <br />IV-I <br />IV-5 <br />IV-5 <br />IV-6 <br />IV-7 <br />IV.,,8 <br />IV-8 <br /> <br />V-I <br />V-2 <br />V-2 <br />V-6 <br />v-6 <br />V-ll <br /> <br />VI-I <br />VI-3 <br />VI-6 <br />vt}01110 <br /> <br />'-';;~-- <br />