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l w III IIIIII- -- --I ` ey�91I—A S L a,e x� <br /> 999 <br /> III <br /> UNTIED STATES DEPARTMENT OF THE INTERIOR` <br /> FISH AND WILDLIFE SERVICE <br /> FLSH AND WII.DLIFE EVHANCEMENr ES <br /> ' Colorado State Onke <br /> 730 Simms Street, Suite 290 � M <br /> Golden, CO 80401 <br /> Phone: (303) 231-5280 FAX (303) 23Rj;6EIVE1) <br /> IN REPLY REFER TO: JII IIN 15 1997 <br /> FWE/CO:ES:Plants-Soiranthes diluvialis (Ute ladies'-tresses o'Fchid) <br /> pivision 01 MlnElals&Ue010gy <br /> November 23, 1992 <br /> To Whom It May Concern: <br /> The U.S. Fish and Wildlife Service (Service) has established interim <br /> requirements and guidelines for surveys to determine the presence or absence <br /> of the federally threatened plant species Soiranthes diluvialis, Ute Ladies'- <br /> tresses orchid. These guidelines were developed by the Service in <br /> consultation with biologists and ecologists knowledgeable about the species in <br /> order to gain more information about the species, identify potential habitat, <br /> and streamline and standardize survey procedures. <br /> Soiranthes diluvialis occurs in seasonally moist soils and wet meadows near <br /> springs, lakes, or perennial streams and their associated flood plains below <br /> 6,500 feet elevation in certain areas in Utah, Colorado, and Nevada. Typical <br /> sites include old stream channels and alluvial terraces, subirrigated meadows, <br /> and other sites where the soil is saturated to within 18" of the surface at <br /> least temporarily during the spring or summer growing seasons. <br /> The moist soil conditions and vegetation composition of known Soiranthes sites <br /> suggest that wetlands regulated under the Clean Water Act qualify as potential( <br /> Soiranthes habitat. Therefore, delineated wetlands, as well as other drier <br /> sites matching the description above, should be surveyed if they occur in <br /> specified areas in Nevada, Utah, and Colorado. <br /> Surveys are required for appropriate sites below 6,500 feet elevation in the <br /> following areas in Colorado: <br /> a. Boulder and Jefferson Counties; <br /> b. The South Platte River 100 year floodplain and perennial tributaries <br /> from the Front Range as far east as Brush, Morgan County; <br /> c. The Fountain Creek 100 year floodplain and perennial tributaries from <br /> the Front Range to the southern boundary of E1 Paso County; <br /> d. The Yampa River 100 year floodplain and its perennial tributaries <br /> from Steamboat Springs west to the Utah border. <br /> RECEIVED <br /> 140V3019S <br /> FISH&WILMFE e*'ANcEMW <br /> G=EN.CO E0401 <br />