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.~,. <br />I N REPLY REFER TO <br />ES/CO:OSM <br />MS 65412 GJ <br />• • ~Illllllllllllllllfl` <br />United States Department of the Interior <br />FISH AND WILDLIFE SERVICE <br />Ecologiral Serviccs <br />Wa[cm Colorado Off¢e <br />76d Narimn Drive, Sau[h Mn« A <br />Grand f uncdon. Colorado 81506-3946 <br />April 18, 1997 <br />RECEIVED <br />'~'R 21 1997 <br />William J. Carter <br />Environmental Protection Specialist <br />Division of Minerals and Geology <br />1313 Sherman Street <br />Denver, Colorado 80203 <br />Dear Mr. Carter: <br />Division of Mmera~s ~ ue,,:~y}, <br />This responds to your March 14, 1997, letter regarding the Sanborn Creek Mine <br />Technical Revision Application No. 29. The mine is located near Somerset, <br />Colorado. <br />We are providing the following list of federally listed species that may occur <br />within the area of influence of the project. <br />FEDERALLY LISTED SPECIES <br />Colorado squawfish Ptychocheilus Lucius <br />Razorback sucker Xyrauchen texanus <br />Humpback chub Gila cypha <br />Bonytail Gila elegans <br />Bald eagle Haliaeetus ]eucocephalus <br />Southwestern willow flycatcher Empidonax traillii extimus <br />None of the federally listed fish occur within the project area. However, the <br />Fish and Wildlife Service considers any depletion of water from the upper <br />Colorado River basin an adverse impact to these species and their designated <br />critical habitat. Consequently, the CDMG should determine whether Technical <br />Revision No. 29 will result in a net depletion of water from the North Fork of <br />the Gunnison River. If a net depletion will result, formal consultation under <br />the authority of the Endangered Species Act will be required with this office <br />by the Office of Surface Mining. <br />You have mentioned that a new waste storage site and new road will also be <br />constructed under this technical revision. CDMG should determine whether <br />these surface impacts will have an adverse impact on either the bald eagle or <br />