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I I I I I I I I I I I I I I I I I I I il Economic and financial feasibility evaluations were not within the scope of the present study, If further studies are conducted for this project, such studies would be performed at that time, Section 3: Objectives The Grand Mesa Water Supply Study closely relates to an earlier study sponsored by the CWCB and GMWCD, This study was completed in April 1983 and titled Grand Mesa Proiect Feasibility Report, The purpose of the latest study was to examine significant aspects of improved irrigation in the Tongue and Surface Creek basins which were not considered in the 1983 report. The recent study was also conducted to refine the degree of accuracy of hydrologic and related analysis to supplement and complement the 1983 report, However, the study was not intended to duplicate any work which has already been effectively and adequately accom- plished, nor to reopen discussion of plans which were examined in the past by the USBR, but were found to be too costly for economic justification, For this reason, the consultant maximized the use of available data in order to conduct an efficient and cost effective study. Collection of new data by means of field work within the project area was minimal, Pursuant to the basic purpose of exammmg aspects not considered in 1983, the consultant analyzed four major strategies: o Evaluate alternative capacities of new storage, o Review alternative sites for such storage in order to increase the degree of assurance that the Cactus Park site was, in fact, the most suitable. o Determine whether part of the water to be impounded in a new reservoir would have to be transferred from a neighboring basin or whether water available for development from within the basin is adequate. 1-3