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. ~ c.'J W 0> The above discussion presents costs for a habitat replacement program in which values and functions of wetlands are replaced in the general project area but riot on site. Potential habitat replacement areas would include lands along the Gunnison River between the North Fork confluence and Escalante state Wildlife Area and along the Uncompahgre River between Colona and Delta. Land acquisition would be limited to willing sellers only. Habitat replacement areas would be at least 200 acres but would not necessarily have to be larger. The study team will continue to address alternatives including avoidance of impacts (i.e. determine not to line certain segments of canals or laterals), provide turnouts for ,cottonwood tree 'or wetland maintenance, or provide incentives for on-farm~habitat replacement. Recommendations will be contained 'in'the draft and final FWS Fish and wildlife Coordination Reports scheduled for August 1992 and January 1993. Another environmental consideration'for the SO/JU Project is cultural resources coordination. Several canal systems including the East and South Canals are considered to be eligible to the National Register of Historic Places and coordination with the State Historic Preservation Officer will be required. Class III (on-ground) cultural resource surveys will be required on new lands to be disturbed and on habitat replacement lands. . Recreation aspects of the project ,will also be addressed in the final report. One major opportunity is the use of canal and/or lateral lands for recreational trails. 'A trail system is being developed by local and state interests along the Uncompahgre River and tie-ins with this system..are possible. . Endangered species consultation wi'll be required on the project--species of concern include the enda~gered clay~loving wild buckwheat and two candidate plant species--the adobe penstemon and the adobe desert parsley. Surveys of proj ect impact areas will be required and designs will be modified to avoid plant locations. Endangered Colorado River fishes will also be discussed. While these fish are not present in the Uncompahgre River they probably occur in the Gunnison River and are present in the Colorado River. The project's effect on downstream river flows, water quality, and depletions will be considered. V. INVESTKENT AND ANNUAL COSTS Table 5 displays estimates of the total investment and annual costs for each component. The investment cost includes construction cost, cost of environmental mitigation, reimbursable study costs and interest during construction. Interest during construction was computed at 8.5% interest - the planning rate for fiscal year 1992. The compound method of computing interest 17