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<br />surveys. This flow should prevent the entire channel from free~~ing and allow the trout <br />population to overwinter in deep pools. <br /> <br />2 <br /> <br />Water Availability - BLM is not aware of any surface diversions in the: surveyed reach. Since there <br />are no gages on this stream reach, BLM recommends obtaining data froJm the historic gage at <br />Howardsville, and then using a basin apportionment to obtain an estimaite of water availability. <br /> <br />Relationship to Management Plans - BLM is engaged in a multi-year, multi-million dollar effort to <br />reduce acid mine drainage from historic mines in the Animas River basi 1. The objective of this leffort <br />is to restore ecological functioning to water-quality degraded streams wijthin the basin. Det:r Park <br />Creek drains an area with very few mines, and it is one of the very few sltreams in the basin that has <br />sufficient water quality to support a trout fishery. Accordingly, BLM is 'Ivery interested in protecting <br />flows in this system to maintain ecological functioning. <br /> <br />BLM requests that the Board recognize that this recommendation is base!d only upon the minimum <br />flows necessary to support cold-water fishery values. BLM may wish toiwork with the Board and/or <br />through the Colorado water rights system to appropriate flows to optimally protect fish values and to <br />protect other water-dependent values specified in BLM resource manageJnent plans. <br />I <br />I <br />Data sheets, R2Cross output, fishery survey information, and photograph:s of the cross section are <br />enclosed to support this recommendation. We thank both the Division o~' Wildlife and the Water <br />Conservation Board for their cooperation in this effort. I <br /> <br />If you have any questions regarding our instream flow recommendation, i>lease contact Roy Smith at <br />303-239-3940. I <br />I <br />I <br />.~ ~/L <br />{{1t.I~fl <br /> <br />I <br />I <br /> <br />Sincerely, <br />) <br />, /1 <br />"'-J1 <br /> <br />dZ;l G/-i., <br /> <br />~) <br /> <br />Linda M. Anania <br />Deputy State Director <br />Resources and Fire <br /> <br />4 - Enclosures <br /> <br />cc: <br />Kelly Palmer, San Juan Public Lands Center <br />Dave Goerhardt, San Juan Public Lands Center <br />Pauline Ellis, Columbine FO <br />Kathy Nickell, Mancos-Dolores FO I <br />Mike Jayphet, Colorado Division of Wildlife, 151 East 16th St., Durango, CO 81301 <br />