Evaluation of Biological Data, Guanella Pass Area, Clear Creek and Park Counties, Colorado, Water Years 1995Ð97
Evaluation of Biological Data, Guanella Pass Area, Clear Creek and Park Counties, Colorado, Water Years 1995–97 U.S. GEOLOGICAL SURVEY Open-File Report 00–54 Prepared in cooperation with the FEDERAL HIGHWAY ADMINISTRATION Evaluation of Biological Data, Guanella Pass Area, Clear Creek and Park Counties, Colorado, Water Years 1995–97 By Jennifer R. Cox-Lillis U.S. GEOLOGICAL SURVEY Open-File Report 00–54 Prepared in cooperation with the FEDERAL HIGHWAY ADMINISTRATION Denver, Colorado 2000 Cox-Lillis—EVALUATION OF BIOLOGICAL DATA, GUANELLA PASS AREA, CLEAR CREEK AND PARK COUNTIES, USGS/OFR 00–54 COLORADO, WATER YEARS 1995–97 U.S. DEPARTMENT OF THE INTERIOR BRUCE BABBITT, Secretary U.S. GEOLOGICAL SURVEY Charles G. Groat, Director The use of firm, trade, and brand names in this report is for identification purposes only and does not constitute endorsement by the U.S. Geological Survey. For additional information write to: Copies of this report can be purchased from: District Chief U.S. Geological Survey U.S. Geological Survey Information Services Box 25046, Mail Stop 415 Box 25286 Denver Federal Center Federal Center Denver, CO 80225–0046 Denver, CO 80225 Cover photograph: The Sawtooth and Mount Bierstadt, from Guanella Pass Road, Clear Creek County, Colorado. CONTENTS Abstract.................................................................................................................................................................................. 1 Introduction...........................................................................................................................................................................
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