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<br />1 <br /> <br />1 <br /> <br />1 <br /> <br />1 <br /> <br />1 <br />Recent distribution summary-Recent distribution of roundtaii chub in the <br />CRB is reduced compared to historical distribution (Figures 6 and 7, and Table 5}. <br />.dower Colorado River Basin. Extant populations exist in portions of the upper <br />Gila, Bill Williams, Verde, and Little Colorado drainages. Only the Gila River Basin <br />population has been well-studied, and decline has been noted in both the Salt and Gila <br />river segments of this population. They persist in Aravaipa Creek of the San Pedro River <br />drainage, Arizona, and also occur in Arizona's Verde River and several tributaries above <br />approximately 760 meters elevation. Roundtail chub have been collected from Chevelon <br />Creek in the Little Golorado River Basin, Arizona, but status and distribution of the <br />species is poorly described for the entire Little Colorado River Basin. <br />i~l,~er Colorado River Basin. Roundtail chubs continue to occupy a large portion <br />of their historic range in the UCRB (Figures 6 and 7). Extant populations are <br />documented in the: Escalante and Fremont rivers, Utah; portions of the middle and upper <br />San Juan River and several tributaries, Utah, New Mexico, and Colorado; Colorado River <br />from Moab, Utah, upstream to Silt, Colorado; Gunnison River, from the Colorado River <br />' confluence upstream to the confluence with the North Fork, and in the Uncompahgre <br />River, Colorado; Green River from the Colorado River confluence upstream to Sand <br />Wash, Utah, and from Jensen, Utah, to Echo Park, Colorado; White River from the Green <br />River confluence upstream to near Meeker, Colorado; Yampa River from the confluence <br />1 with the Green River upstream to near Hayden, Colorado; Little Snake River (Yampa <br />River Basin); Green River and several tributaries above Flaming Gorge Reservoir, <br />' Wyoming; and, several headwater lakes in the upper Green River Basin, Wyoming. <br /> <br />1 <br /> <br />1 <br />Final Report September 2~2 <br />27 <br />fl <br />