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-- <br /> i E s C} <br /> t <br /> F '23- } ,,,£ 9�i `c fist -4'y f'X Y.i 1 •� 1 =-fir .mac, Y {.'£z '.s'f �# <br /> FWS/R6/FA" . F <br /> CO W-43-L , <br /> A 21 <br /> Memorandum <br /> To: Field Supervisor, Southern GARD, Golden, Colorado <br /> Mary L. Vessner <br /> From: Assistant Regional Director,Federal Aid,Region 6 <br /> Subject: Informal Consultation on the Tamarack Managed Groundwater Recharge Project <br /> An Environmental Assessment(EA)has been prepared on a proposal,%known as the"Tamarack <br /> Managed Groundwater Recharge Project(Project)"to develop water: control facilities on the <br /> Tamarack Ranch State Wildlife Area(TRSWA)in Logan County-and the Pony Express State <br /> Wildlife Area(PESWA)in Sedgwick County. Both state wildlife`areas were acquired in part <br /> with Federal Aid in Wildlife Restoration funds by the Colorado Division of Wildlife.-The Project <br /> is a cooperative effort between the Division,the Colorado Waterl.Conservation Board, and the <br /> South Platte Lower River Group,Inc. ' It consists of constructing up to 35 Wells, installing <br /> pumps, laying approximately 13 miles of pipeline, and developing 41vsnall ponds..Each year <br /> 30,000 acre-feet of water will be pumped from the alluvial aquifer to fill the ponds.,- <br /> Approximately 10,000 acre-feet of this amount is expected to return to the South Platte River <br /> from the ponds via ground water recharge during low flow periods <br /> The following federally listed threatened and endangered species have been identified as <br /> potentially occurring within the TRSWA and PESWA: <br /> Bald eagle Threatened <br /> Mountain plover Proposed Threatened <br /> Eskimo curlew Endangered, probably extinct <br /> Current information indicates that bald eagles are probably the only terrestrial federally listed <br /> species in the above group that use either state wildlife area.. Associated primarily with migratory <br /> waterfowl resting areas, they are common along the South Platte River and adjacent plains <br /> reservoirs during winter. The presence of a prey base and availability of mature cottonwood trees <br /> for perching and roosting are the major factors affecting distribution. The presence of 20 to 30 <br />