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CERTIFICATION OF CONSTRUCTION <br />P-9 <br />Pond P-9 was installed in 1977 to settle water from the mine <br />yard. This pond was designed and built under the ownership of <br />Anschutz Corporation. The design information was not available <br />at the mine when inspection was made for this certification. As- <br />built design information is given on map D-4-5 and associated write <br />up in the Snowmass Coal Company Permit No. C-025-81. <br />This pond was constructed by excavating below ground level. <br />No compaction data is available. The slopes to this pond are <br />approximately lh:ly. A 36" CMP culvert was installed as the <br />emergency spillway. Graveled parking is on three sides of the pond, <br />therefore, little vegetation has been re-established. <br />Information considered in the certification of this pond was: <br />history and personal observations. Tc the best of my knowledge <br />and understanding, this pond was installed using sound engineering <br />design and meets the requirements of the Regulations of the Colo- <br />rado Mined Land Reclamation Board for Coal Mines, 1980. <br />. ~ : MCSe.~M ~.~ t,.j <br />Larry M. Reschke• .•~~,,~y-~}- <br />P.E. No. 19691 .T °~'~~ ~~~'S, <br />LMR:mgc g ~~ 14881 <br />