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The following supporting documentation is included with this submittal: <br /> • Map M51,Sheet 1, Drainage and Sediment Control Plan <br /> • East Buzzard Pond System SEDCAD Results Summary <br /> • East Buzzard Worst-Case SEDCAD Inputs <br /> • Impoundment SEDCAD reports for a 10-year, 24-hour rainfall event <br /> • Impoundment SEDCAD reports for a 25-year, 24-hour rainfall event <br /> • East Buzzard #3 Embankment and Spillway Configuration and Stage Storage <br /> ENGINEER'S CERTIFICATION <br /> I,James M. Mattern,a Registered Professional Engineer in the State of Colorado,certify that I am <br /> familiar with the Trapper Mine drainage and sediment control plan and,to the best of my knowledge <br /> and information,the results shown on the attached documents are true and correct. <br /> �Pp0 !_ICF. <br /> O�0�es`A. Ma` "'o <br /> ' 2 SlZslzz <br /> James M. Mattern �'. �<c Date <br /> CO P.E. No. 20537 o��S8/001.���\ <br />