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~CSMENT op ry6 <br />a ~~ United States Department of the Interior <br />FISH AND WILDLIFE SERVICE <br />~4"r+cN a +s"9 Ecological Services <br />Colorado Field Office <br />755 Parfet Street, Suite 361 <br />Lakewood, Colorado 80215 <br />IN REPLY REFER TO: <br />ES/CO: T&E/Species list <br />Mail Stop 65412 <br />RECEII/ED <br />JUL T 4 2004 <br />Mr. Larry Oehler <br />Division of Minerals and Geology <br />Department of Natural Resources <br />1313 Sherman Street., Room 215 <br />Denver, Colorado 80203 <br />Deaz Mr. Oehler: <br />JUL 152004 <br />Division of Minerals and Geology <br />The U.S. Fish and Wildlife Service (Service) received your memorandum dated July 2, 2004, <br />regarding the notice of application for Aggregate Industries - WCR, Inc., Tucson South <br />Resource, File No. M-2004-044, in Adams County, Colorado. <br />For your convenience, we have enclosed a list of Colorado's threatened and endangered <br />species, as well as the counties in which they are known to occur. We cannot provide site- <br />specific details. <br />L` questions regarding the presence of an endangered species, the extent of its habitat, or the <br />effects of a particular action need to be resolved, the Service recommends that a <br />knowledgeable consultant be contacted to conduct habitat assessments, trapping studies, or to <br />provide recommendations regarding options under the Endangered Species Act. Due to <br />staffing constraints, the Colorado Field Office cannot provide you with these services. <br />Since 1978, [he Service has consistently taken the position in its section 7 consultations that <br />Federal agency actions resulting in existing or new water depletions to the Platte River <br />system may affect the endangered whooping crane (Gnus americana), endangered interior <br />least tern (Sterna antillarum), threatened piping plover (Charadrius melodus), endangered <br />pallid sturgeon (Scaphirhynchus albus), threatened bald eagle (Haliaeetus leucocephalus), <br />endangered Eskimo curlew (Numenius borealis), threatened western prairie fringed orchid <br />(Platanthera praeclara), and designated critical habitat for the whooping crane and piping <br />plover in the central Platte River in Nebraska. In general, depletions include evaporative <br />losses and/or consumptive use less return flows. Project elements that could be associated <br />with depletions to the Platte River system include, but aze not limited to, ponds <br />(detention/recreation/frrigation storage), lakes (recreation/irrigation storage/municipal <br />storage/power generation), reservoirs (recreation/irrigation storage/municipal storage/power <br />generation), pipelines, wells, diversion structures, and water treatment facilities. <br />