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<br />CSF4: Colorado, Delta and Mesa Counties. The Gunnison River and its loo-year floodplain
<br />from the confluence with the Uncompahgre River in T.15S., R96W., section 11 (6th Principal
<br />Meridian) to the confluence with the Colorado River in T.IS., RIW., section 22 (Ute
<br />Meridian).
<br />
<br />CSF5: Colorado, Mesa and Garfield Counties; and Utah, Grand, San Juan, Wayne, and
<br />Garfield Counties. The Colorado River and its loo-year floodplain from the Colorado River
<br />Bridge at exit 90 north off Interstate 70 (river mile 238 ) in T.6S., R93W., section 16 (6th
<br />Principal Meridian) to North Wash including the Dirty Devil arm of Lake Powell up to the
<br />full pool elevation in T.33S., RI4E., section 29 (Salt Lake Meridian),
<br />
<br />CSF6: New Mexico, San Juan County, and Utah, San Juan County. The San Juan River and
<br />its loo-year floodplain from the State Route 371 Bridge in T.29N., RI3W., section 17 (New
<br />Mexico Meridian) to Neskahai Canyon in the San Juan arm of Lake Powell in T.41S., R.llE.,
<br />section 26 (Salt Lake Meridian) up to the full pool elevation,
<br />
<br />Humpback Chub-- The Service is proposing seven reaches of the Colorado River system as
<br />critical habitat for the humpback chub (Table 2). These reaches total 379 miles as measured
<br />along the center line of each reach (Table 3). This represents approximately 28 percent of the
<br />historical habitat of the species. Critical habitat for the humpback chub is being proposed in
<br />the Colorado, Green, and Yampa rivers in the Upper Basin, and the Colorado and Little
<br />Colorado Rivers in the Lower Basin. The approximate number of proposed shoreline miles of
<br />critical habitat by landownership for the humpback chub is presented in Table 4.
<br />
<br />Critical habitat areas proposed for humpback chub in each State are as follows:
<br />
<br />IIBCI: Colorado, Moffat County. The Yampa River from the boundary of Dinosaur National
<br />Monument in T6N., R.99W., section 27 (6th Principal Meridian) to the confluence with the
<br />Green River in T.7N., RI03W., section 28 (6th Principal Meridian).
<br />
<br />IIBC2: Utah, Uintah County, and Colorado, Moffat County. The Green River from the
<br />confluence with the Yampa River in T.7N., RI03W., section 28 (6th Principal Meridian) to
<br />the southern boundary of Dinosaur National Monument in T.6N., R24E., section 30 (Salt
<br />Lake Meridian).
<br />
<br />IIBC3: Utah, Uintah and Grand Counties. The Green River (Desolation and Gray Canyons)
<br />from Sumners Amphitheater (river mile 85) in T.I2S., RI8E., section 5 (Salt Lake Meridian)
<br />to Swasey's Rapid (river mile 12) in T.20S., R.I6E., section 3 (Salt Lake Meridian).
<br />
<br />IIBC4: Utah, Grand County, and Colorado, Mesa County, The Colorado River from Black
<br />Rocks (river mile 137) in T,IOS., RI04W., section 25 (6th Principal Meridian) to Fish Ford
<br />(river mile 106) in T.21S" R.24E., section 35 (Salt Lake Meridian).
<br />
<br />9
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