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<br />Uncompahgre River indicates that the majority of the difference must occur in <br /> <br />the Gunnison River stations, however, it is unknown which station it is, <br /> <br />The 1977-86 data indicated that 14 percent of the total gains occurred in <br /> <br />the lower reach and 86 percent in the upper reach, Gains for the upper and <br /> <br />lower reaches of the Gunnison River were assigned a proportional amount of the <br /> <br />total long-term gains based on these percentages, The gains for the lower and <br /> <br />upper reaches are given in files INFL3 and INFL4, respectively (copies of <br /> <br />these files are given in Appendix F), <br /> <br />Upper Gunnison Mainstem and Subbasins <br /> <br />above Crystal Dam: [INFL5 - INFL51] <br /> <br />Core station virgin flow file development <br /> <br />~ <br />J <br /> <br />Virgin flow estimates were derived for inflows INFLS to INFLSl above <br /> <br />Crystal Dam in the Upper Gunnison Basin for the Gunnison River mainstem and <br /> <br />subbasins, <br /> <br />Virgin flows were developed for selected gaging stations to serve as <br /> <br />"core" stations from which inflows within subbasins were derived, Virgin flow <br /> <br />estimates of core stations were derived by adjusting historical gaged flows <br /> <br />for irrigation consumptive use depletions, reservoir storage and evaporation, <br /> <br />and transbasin diversions, Flow estimates for each core station were <br /> <br />developed for water years 1952-1983, Core stations for which virgin flows <br /> <br />were derived are listed in Table 1. Locations of virgin flow core stations <br /> <br />are given in Figure 1. <br /> <br />Virgin flow estimates for the Gunnison River at Crystal Dam were used as <br /> <br />a base for development of upstream core station flows, Original virgin flow <br /> <br />estimates for the Gunnison River at Crystal Dam station were obtained from the <br /> <br />3 <br /> <br />. <br /> <br />e <br /> <br />e <br />