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• Page 2 <br /> The following species may occur in or near the project area: <br /> FEDERALLY LISTED SPECIES <br /> Colorado squawfish Ptvchocheilus lucius <br /> Razorback sucker Xvrauchen texanus <br /> FEDERALLY PROPOSED SPECIES <br /> Mexican spotted owl Strix occidentalis lucida <br /> FEDERAL CANDIDATE SPECIES <br /> Northern goshawk Accioiter Qentilis <br /> Ferruginous hawk Buteo regalis <br /> Southwestern willow flycatcher Empidomax trailii extimus <br /> Loggerhead shrike Lanius ludovicianus <br /> Flannelmouth sucker Catostomus latipinnis <br /> Roundtail chub Gila robusta <br /> i <br /> While candidate species presently have no legal protection under the <br /> Endangered Species Act (Act), it is within the spirit of the Act to consider <br /> project impacts to potentially sensitive candidate species. Additionally, we <br /> wish to make you aware of the presence of Federal candidates should any be <br /> proposed or listed prior to the time that all Federal actions related to the <br /> project are completed. <br /> The endangered fishes could be impacted by water depletion or pollution to the <br /> San Juan River drainage. If water depletion is associated with your mining <br /> activities the average annual acre-foot depletion should be calculated. All <br /> modern techniques for eliminating pollutants from entering watersheds should <br /> be implemented. <br /> The Mexican spotted owl was proposed for listing as threatened on November 4, <br /> 1991. Mexican spotted owls have been found in Mesa Verde National Park and <br /> tend to inhabit canyons in Colorado. If the lead agency determines that the <br /> mining activity "may jeopardize the continued existence" of the owl a <br /> "conference" will need to be conducted. A conference opinion issued while a <br /> species is proposed may be adopted as a final biological opinion when and if <br /> the species is listed. The conference procedure is designed to "identify and <br /> resolve potential conflicts between an action and proposed species. . .at an <br /> early point in the decisionmaking process". <br /> The candidate birds may all reside and breed near the project area. The <br /> • goshawks nest primarily in coniferous forests. Ferruginous hawks inhabit open <br /> areas and tend to nest in pinyon-juniper habitats. The loggerhead shrike is <br /> found primarily in sagebrush and pinyon-juniper habitats in Colorado. The <br /> November 1993 <br />