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water loss from water used for dust control. Therefore, based on the above information, OSM has determined that PR-03 "may affect / likely to adversely affect" the humpback chub. Razorback Sucker The razorback sucker (Xvrauchen rexanns is brownish-green with a yellow to white-colored belly and has an abrupt, bony hump on its back shaped like an upside-down boat keel. Razorback suckers are found in deep, clear to turbid waters of large rivers and some reservoirs over mud, sand or gravel and like most suckers feeds on both plant and animal matter. Razorback suckers can spawn as early as age 3 or 4, when they are 14 or more inches long. Breeding males tum black up to the lateral line, with brilliant orange extending across the belly. Depending on water temperature, spawning can take place as early as November or as late as June. In the upper Colorado River basin, razorbacks typically spawn between mid-April and mid-June. The U.S. Fish & Wildlife Service has previously determined chat water depletions in the Upper Colorado River System are a major source of impact to the endangered fish species. Continued water withdrawals have restricted the ability of the Colorado River system to produce the flow conditions required by the various life stages of these fish. OSM could not find any record of an y previous consultations for water depletions from the Upper Colorado River Basin and the razorback sucker. OSM required Snowcap Coal Company to verify its current water depletion estimate for the Roadside North and South Portals mine. Snowcap Coal Company responded that there is a 17.8 ac/ft consumptive water loss from evaporation from sediment controls for the disturbed area and anotFter 4.3 ac/ft consumptive water loss from water used for dust control. Therefore, based on the above information, OSM has determined that PR-03 "may affect / likely to adversely affect" the razorback sucker. Bonytail The bonytail (Gila elegans) is a highly streamlined fish, dark on top, tight below, often very dark in clear waters and pale in turbid waters. Fins are dusky with yellow pigment near base, prefering eddies and pools, not swift currents. The bonytail has a concave skull arching into a nuchal hump predorsally with a long and slender snout that does not overhang the upper lip. Scales often minute or absent from chest, stomach. Adults of seven years of age can be 14 inches tong and weigh more than one pound. Found historical-y throughout the Colorado River Drainage however, in recent years bonytail have only been taken from the Oreen River in Utah and lakes FIavasu and Mohave. The U.S. Fish & Wildlife Service has previously determined that water depletions in the Upper Colorado River System are a major source of impact to the endangered fish species. Continued water withdrawals have resttcted the ability of the Colorado River system to produce the flow conditions required by the various life stages of these fish. OSM could not find any record of any previous consultations for water depletions from the Upper Colorado River Basin and the bonytail. OSM required Snowcap Coa! Company to verify its current water depletion estimate for the Roadside North and South Portals mine. Snowcap