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<br />TRAPPER MINING INC. <br />CRAIG, COLORADO <br />DAM CONSTRUCTION CERTIFICATION <br />I, Mark W. Wehmanen, a Registered Professional Engineer in the State of Colorado, in <br />accordance with 2CCR407-2, Section 4.05.6(7), certify that Sage Dam No. 2 was inspected by me <br />during construction. Major construction activities commenced on August 16, 1994 and were <br />completed on October 5, 1994. <br />During construction, the dam was inspected daily to insure compliance with prudent construction <br />methods. Compaction was accomplished by laying fill material in thin layers with scrapers. A <br />water truck and Cat 815 compactor were used for moisture and compaction. Compaction and <br />moisture content were monitored using a nuclear density gauge. Standard Proctor density was <br />determined in our lab in accordance with AASHO Standard method T99-61. The dam was <br />constructed as designed. <br />W. Wehmanen <br />ado PE No. 25518 <br />25518 <br />M W W/mg/9-23-93 <br />ENG/DAMCRiMW <br />