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<br />. - TABLE OF CONTENTS (CONTINUED)
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<br />e, Alternative E - Traverse Dike Lowering ...,...'"""""", 24
<br />f. Alternative F - No Federal Action . . . . . . . . , . , . . , , . , . , . , , , , . 24
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<br />7.
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<br />EVALUATION OF ALTERNATIVES .'",..,...."...",...', 24
<br />a, Alternative A - Flow-Through Chute Channel (Constructed) ....'"., 24
<br />b. Alternative B - Flow-Through Chute Channel (Non-Constructed) ""., 27
<br />c. Alternative C - Backwater/Wetland Complex ,..",.",..."... 28
<br />d, Alternative D - Terrestrial Habitat Only .'"."".",..'"", 28
<br />e. Alternative E - Traverse Dike Lowering ,.""..."....',.", 29
<br />f. Alternative F - No Federal Action . , , . , . . . . . . . . . , , , , , , , , . , , 29
<br />g. Discussion . . , , , , , , , . , , . . . . , , , . , , . , , , . , . , . . . . . , , , . , 29
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<br />8.
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<br />SELECTED PLAN WITH DETAILED DESCRIPTION """,.".... 31
<br />a. General Description , , , , , , , , , . . , . . . . . . . , . . , , . , , , , , , . , , 31
<br />b, Pilot Channel, , , , , , , . . . . . . , , , , , . , , . , , , . , , . . . . . . . . . . 31
<br />c. Inlet/Outlet Structures , , , , , , , . . . . . . . . . . , . , , , , , , , . , , , , , . 31
<br />d, Grade Control """,..'",.".""".",.........' 31
<br />e, Lower River Control Structures. , , , , , , , . , , , , , , , , , . , , , , , , . . 31
<br />f, Lower Transverse Dikes , . . , . . . . , . . , , . , , , , , , , , , , . , , , . . . 32
<br />g. Operation, , , , . . . , , , , , , , , . , . . , . . . . . . . . . . . . . . . , . . . . 32
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<br />9.
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<br />ENVIRO~ENTALEFFECTS ...,..."",.,..".",.."..,,32
<br />a. Physiography and Topography ",.".,..............'.... 32
<br />b, Water Quality """........'"""".",.",..".. 32
<br />c, Air Quality , , , , , , , , . , . . . . . . . , . , , . , , , . , , , . . , , , . , , , . 34
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<br />d. Noise , , , , . . . . . , , , , , , , , , , . . , , . . , . . . . . . . . , . . . . . . . . 34
<br />e, Prime Farmland ,."",."............"..".',,'.'. 34
<br />f, Aquatic Resources , , . , . , . . . . . . , . , , , , , , . , , . , , , . , , , . , , . 34
<br />g. Terrestrial/Wetland Resources . . . . . . . . . . . . . . , , . , , , . , , , . , , . 35
<br />h. Threatened and Endangered Species - Biological Assessment . . , . , , , ., 36
<br />1. Historic Properties and Archeological Resources .......",.."., 38
<br />], Socioeconomic Resources """".".",."."..'.'..'. 38
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<br />k. Recreation . , , , . . . , , . , , . , , . , , . . . . . . . . . , . , , . , , , , , . , . 38
<br />I. Aesthetics . , , , , , . , , , , . . . . . , , . , , , , , . , , . , , , . . , . , . . . . 38
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<br />m, Land Use ""."."...........'".",.",.,.,.... 39
<br />n. Adverse Effects Which Cannot be Avoided, . . . . . . . . . . . . . . , . . . . 39
<br />o. Short-Term Use Versus Long-Term Productivity ................ 39
<br />p. Irreversible or Irretrievable Resource Commitments ..".,.,...... 39
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