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<br />o <br />o <br />(j <br />..:0 <br />,:::) <br />~ <br /> <br />, ' <br /> <br />SUMMARY <br /> <br />The U,S, Fish and Wildlife Service (Service), under the authority of the Endangered Species <br />Act of 1973, as amended, proposes to initiate an augmentation plan for razorback sucker in <br />the San Juan River, This effort is in support of the San Juan River Basin Recovery <br />Implementation Program (Implementation Program), a cooperative effort by the Service, the <br />Bureau of Reclamation, Bureau of Indian Affairs, Bureau of land Management, the States of <br />Colorado and New Mexico, the Ute Mountain Ute Indian Tribe, the Southern Ute Indian Tribe, <br />the Jicarilla Apache Indian Tribe, and the Navajo Nation. <br /> <br />The Implementation Program is a multi-agency, public and private effort to protect and recover <br />endangered fishes in the San Juan River Basin (Basin) while water development proceeds in <br />compliance with all applicable federal and state laws. Endangered species for which the <br />Implementation Program has been formulated are the Colorado squawfish (Ptvchocheilus <br />luciusl and the razorback sucker (Xvrauchen texanus). The latter species is the subject of the <br />augmentation plan now proposed. <br /> <br />Over the five year period from 1997 through 2001, the Service proposes to stock hatchery- <br />reared razorback sucker in the San Juan River to augment the extremely small population <br />now inhabiting the river. If successful, the planned augmentation will result in approximately <br />100 razorback sucker per river mile, an aggregate population of 15,900 razorback sucker in <br />the 159 miles of San Juan River downstream from the Hogback Diversion Dam. <br />