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<br />. <br /> <br />lluH51 <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />i <br /> <br />. <br /> <br />. <br /> <br />be somewhat verified using the maps in the Comprehensive Framework Study. If this is <br />in fact correct, then the Yellow Jacket weather station should be used to calculate ET. <br /> <br />It is recommended that the weather stations used in the USBR study be evaluated <br />for representativeness. At a minimum, the weather stations in Hydrology Unit 14010001 <br />and 14080202 should be evaluated. <br /> <br />Incidental Irriaation losses <br />Incidental irrigation losses refers to seepage and perhaps phreatophytic losses <br />associated with irrigation. The Technical Appendix lists a factor for each hydrologic basin. <br />For Colorado, the factors vary from 5.1 % to 28.8%. How these factors were determined <br />could not be reviewed as the engineering analysis used to determine them is not available. <br />In that in some hydrologic units the incidental irrigation losses could be significant (28.8%), <br />it is recommended that a verifiable procedure be developed. '\ <br />" '~'\)J , <br /> <br />Stock Pond EV8Doration <br />Stock pond evaporation is determined in the same manner as evaporation from, <br />unmeasured reservoir evaporation. Therefore, all comments in that section will apply:to <br />stock pond evaporation. <br /> <br />livestock Use <br />livestock consumptive use is calculated as the daily amount of water consumed <br />by animals times the number of animals reported on a per county basis. The following <br />rates are used: <br /> <br />I UVESTOCK I GAUDAY/HEAD I <br /> Cettle 10 <br />. <br /> Sheep 2 <br /> Hogs 3 <br /> <br />,e <br /> <br />. <br /> <br />15 <br />