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<br />'"'~, ~'3'" <br />u ~~ ~J - :1 "" <br /> <br />. <br /> <br />USGS to be good. Flows at the gage are affected by diversions for irrigation <br />above the gage. <br /> <br />Additional gaging stations for the Mancos River have been established <br /> <br />and operated by the Colorado Division of Water Resources and include the follow- <br /> <br /> <br />ing: <br /> <br />1. Mancos River below Weber Canyon. Records are available only <br />for the 1957 water year. <br /> <br />. <br /> <br />2. Mancos River near Mancos. Records are available for the periods <br /> <br /> <br />of 1954 through 1956 and 1971 through 1983, with no measurements <br /> <br /> <br />available in most years during the winter season. This gaging station <br /> <br /> <br />is located near the town of Mancos, downstream of the old Mancos <br /> <br /> <br />River near Mancos station that was abandoned in 1938. Observed <br /> <br /> <br />flows were affected by numerous diversions for irrigation upstream <br /> <br /> <br />of the gage. <br /> <br />Summaries of gage records are presented in Appendix A of this report. <br /> <br />As described in more detail in the following sections of this report, the <br />hydrological analysis of the Mancos River was based, in part, on evaluation <br />of records for the following gaging stations: <br /> <br />West Mancos River near Mancos <br />Middle Mancos River near Mancos <br />East Mancos River near Mancos <br />Mancos River near Towaoc <br />La Plata River near Hesperus <br /> <br />The accuracy of the records for the Mancos River near Mancos gaging station <br /> <br /> <br />(1932-1938) was considered to be inadequate for use in the analysis, as discussed <br /> <br /> <br />in Part IX. The new Mancos River near Mancos gaging station (1954-1983) is <br /> <br /> <br />located downstream of several of the major irrigation ditches and the flow <br /> <br />. <br /> <br />-6- <br />