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TRAPPER MINING INC. <br />CRAIG, COLORADO <br />AS-BUILT CONSTRUCTION CERTIFICATION <br />Deal Gulch Dam <br />I, James M. Mattern, a Registered Professional Engineer in the State of Colorado, in <br />accordance with 2CCR407-2, Section 4.05.9, certify that Deal Gulch dam was <br />constructed under my direct supervision. Construction activities commenced with initial <br />brushing and topsoil removal on July 14, 2006. Major construction activities ended on <br />with final installation of spillway erosion control materials on August 9, 2006. The <br />impoundment capacity and spillway configuration have been constructed in accordance <br />with the approved design. <br />During construction, the site was inspected to insure conformance with prudent <br />embankment construction methods. An as-built survey is the basis for results shown on <br />the attached "SEDCAD 4" output. As-built model results and construction methods meet <br />all the requirements of Section 4.05.6. <br />l~r~-.mil <br />dames M. Mattern ~~ <br />CO PE 20537 <br />i~"~ro ~ o ~ <br />Date <br />