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5 . .-., "~ f ~:~ ,"1 U ec' SUMMARY SHEETS Bluestone project LOCATION: Near the Colorado River and its tributary, Roan Creek, in the vicinity of the towns of Rifle and DeBeque in Garfield and Mesa Counties of 'lest-central Colorado. PLAN The project would utilize water from the Ruedi Reservoir on the Fryingpan River, a feature of the authorized Fryingpan-Arkansas project, and from Roan Creek for the irrigation of 8,178 acres of land, including 6,304 acres of full service land and 1,874 acres of supplemental service land. Natural flows of the Colorado River would be used for power generation. Project effects in other fields have not been evaluated. . Water for the Sharrard Park area, consisting of "ater released from Ruedi Reservoir, would be pumped from the Colorado River at a point about 6 miles downstream from Rifle, Colo. Three pumps in series would deliver water to successively higher sections of the Sharrard Park Pump Canal or its laterals from which the water would be dis- tributed to the land. Reservoir "ater for irrigation in the Roan Creek area and natural flows for power production would be diverted from the Colorado River at the Una Diversion Dam located about 4 miles dovnstream from Grand Valley, Colo. The Una Power Canal would head at the dam and extend south 4.4 miles to the Una Poverplant. The river water would be released through the po"erplant and "ould return to the river. The reservoir water "ould flo" from the terminus of the Una Power Canal to the Una Pump Canal. A lift of about 425 feet would be provided about 3.8 miles along the course of the pump canal by the Una Pumping Plant. Farther along the canal and near its terminus on Roan Creek the Mt. Logan Reservoir would be con- structed. Water would be pumped for irrigation and for storage during hours of off-peak power demand. Irrigation needs during daily periOisof peak power demands would be met by releases from Mt. Logan Reservoir. Irrivation water delivered to Roan Creek would be used on lower lands served from the creek and in exchan~e part of the Roan Creek water now used on the lower lands would be used on hi~her lands along the creek and its tributaries. . The Sharrard Park and Una Pumping Plants would. utilize part of the power generated at the Una ?owerplant. The remaining power would be delivered to transmission lines of the Colorado River Storage project near Rifle for commercial sale.