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TABLE OF CONTENTS <br />CHAPTER 4 Affected Environment and the Present Condition <br />Page <br />No Action Alternative <br />....................... ............................... <br />The Action Alternatives <br />3 -4 <br />.................................................... <br />Governance Committee Alternative <br />3 -6 <br />........... ............................... <br />Water Leasing Alternative ................... <br />3 -21 <br />............................... <br />Wet Meadow Alternative <br />3 -48 <br />..................... ............................... <br />Water Emphasis Alternative .................. <br />3 -52 <br />............................... <br />Elements Considered but Rejected <br />3 -55 <br />............. ............................... <br />Alternatives Comparison Tables ............... <br />3 -62 <br />............................... <br />3 -62 <br />CHAPTER 4 Affected Environment and the Present Condition <br />Introduction............................... <br />............................... <br />4 -1 <br />Geographic Markers ........................ <br />............................... <br />Central Platte River Schematic <br />4 -4 <br />................ ............................... <br />Water Resources <br />4 -5 <br />........................... ............................... <br />4 -8 <br />River Hydraulics and Sediment Transport ....... ............................... <br />4 <br />WaterQuality <br />-28 <br />............................. ............................... <br />4 -43 <br />Central Platte River Terrestrial Vegetation Communities <br />and Land Use Types ...................... ............................... <br />4 -60 <br />Whooping Cranes .......................... ............................... <br />4 -69 <br />Least Terns and Piping Plovers ................ <br />............................... <br />PallidSturgeon ........................................................... <br />4 -81 <br />4 -96 <br />Other Federally Listed Species, Candidate Species, and Designated Critical Habitat ..... <br />4 -103 <br />SandhillCranes ............................ ............................... <br />4 -118 <br />State- Listed and Species of Special Concern ..... ............................... <br />4 -134 <br />North Platte River Basin Fisheries <br />............. ............................... <br />Nebraska Sport Fisheries: Lake McConaughy and the Lower Platte River <br />4 -154 <br />............. <br />4 -165 <br />Hydropower............................... ............................... <br />Recreation............................... <br />4 -174 <br />............................... <br />4 -178 <br />Agricultural Economics ...................... ............................... <br />4 -188 <br />Regional Economics ........................ ............................... <br />4 -197 <br />Social Environment ......................... ............................... <br />4 -202 <br />Cultural Resources .......................... ............................... <br />4 -211 <br />Indian Trust Assets ......................... ............................... <br />4 -217 <br />Environmental Justice ....................... ............................... <br />4 -218 <br />CHAPTER 5 Environmental Consequences <br />Introduction............................... ............................... 5 -1 <br />Water .. . <br />River Hydraulics and Sediment Transport ....... ............................... 5 -50 <br />ii <br />