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<br /> <br />Table of Contents <br /> <br />1. <br /> <br />INTRODUCTION <br /> <br />. . .. ......... <br /> <br />w <br />w <br />w <br />00 <br /> <br />A, Authority ., . <br />B. BLM Coordination with Other Agencies <br />C. Scope of Study <br />D. Objectives <br /> <br />II. BASIN DESCRIPTION <br /> <br />A. Land Ownership . <br />B. Uses of Public Lands <br />C. Climate . .. .. <br />D. Topography.. <br />E. Basin Hydrology <br /> <br />III. ECONOMIC DAMAGES OF SALINITY <br /> <br />A. Agriculture Damages <br />B. Municipal Damages <br />C. Industrial Damages <br />D. Economi c Impacts. . <br />E. Penalties of No-Action <br /> <br />IV. ENVIRONMENTAL AND LAND USE FACTORS <br /> <br />A. Environment . . . . . . . . . . . . . . . . <br />1. Geology - Relationship to Water Quality <br />2. Soils - Relationship to Water Quality . <br />3. Vegetation - Relationship ,to Water Qual ity <br />4. Hydro logy . . . . .. .... <br />B. Land Use. .... . <br />1. Grazing and its Influence on Vegetation, <br />Infiltration, Runoff, and Sedimentation <br />2. Off-road Vehicles. . ...... <br />3. Mineral and Energy Exploration and Extraction <br /> <br />V. TECHNICAL FEASIBILITY OF CONTROL MEASURES <br /> <br />A. Juniper-Pinyon Control . . . <br />B. Big Sagebrush Control.. . .. . <br />C. Ripping, Pitting, and Contour Furrows and Trenches <br />D. Water Spreading and Gully Plugs <br />E. Detention-Retention Dams <br />F. Selective Withdrawal <br />G. Livestock Management <br />H, Summary ... . <br /> <br />ii <br /> <br />'!"", -,,,--,~ ""o.. ,"-.,;, \,,-,,";' <br /> <br />Page <br />1 <br />2 <br />3 <br />3 <br />5 <br />6 <br />6 <br />6 <br />6 <br />7 <br />8 <br />10 <br />10 <br />12 <br />13 <br />13 <br />13 <br />15 <br />15 <br />15 <br />24 <br />47 <br />60 <br />97 <br />97 <br />105 <br />108 <br />111 <br />111 <br />113 <br />119 <br />123 <br />126 <br />129 <br />129 <br />132 <br /> <br /> <br />-,., <br /> <br />:- \ <br />'.i <br />, <br />i <br />: <br /> <br />:4 <br /> <br />"~ <br /> <br />,,; <br />'I <br /> <br />!J, ,~ <br /> <br />