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I I I I I I I I I I I I I I I I I I I ." ~'l'1 ,) 2 finalized plan at which time these facilities are actually located on the ground. However, we believe that parking lots and rest rooms are not related to mitigation, but rather enhancement features for people manage- ment. ,We cannot, therefore, agree that all of the proposed facilities should be included as mitigation costs and suggest a revised total cost estimate of $937,000. 5. The annual O&M budget also reflects costs that we disagree are related to mitigation. These costs relate to the same types of concerns expressed above, i.e., road and trail system, parking lots, and restrooms. After reviewing your total management plan, we feel that we can support the development costs of $9,167,000 and land costs of $7,346,000 for total project costs of approximately $16,513,000 and annual O&M costs of about $400,000. These totals are not substantially different from those listed in your proposal afier adding overhead and contingencies. It is also possible that in the final design and negotiation process just prior to construction, these totals may change. For example, we recommend raising the dike crest to the level of the maximum water surface for the 100-year flood. This could lead to additional front-end (construction) costs for dike construction, but result in substantial savings in annual OM&R costs. The following lists reflect our estimate of the facilities needed and probable costs. Waterfowl Number units Cost Waterfowl islands, dikes^ and feeding area dikes~/ Main diversion structure2/ Delivery ditch~f - Lateral ditc~f , Headgates~f Nesting structures Waterfowl feeding fields Total 1,051 acres crop sharing $ 5,780,000 Upland Game Nesting cover Weedy cover Woody cover Food plots Woody travel lanes Outer boundary windbreak Guzzlers Brush piles Mast tree plantings Cottonwood and willow plantings Riparian travel lanes T ota 1 4,740 acres 1,500 acres 60 acres 3,000 acres 12.75 miles 10 miles 2B 192 0.6 acres unkown 9.7 acres $ 2,450,000 if Design of diversion structures levees and islands, canals, and laterals could result in major changes.