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<br />1981 ANNUAL REPORT <br /> <br />MONITORING PROGRAM FOR FISH AND BENTHIC <br />MACROINVERTEBRATES IN THE WILLIAl1S FORK RIVER <br />NEAR CRAIG, COLORADO <br />Prepared for <br />EMPIRE ENERGY CORPORATION <br />Craig and Englewood, Colorado <br />Prepared by <br />ENVIRONMENTAL RESEARCH & TECHNOLOGY, INC. <br />For[ Collins, Colorado <br />December 1981 <br />• <br />~` . <br />