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SCNMUESER JGINEERS & CONSTRUCTORS <br /> �l <br /> 1 ASSOCIATES <br /> November 8, 1984 <br /> Mr. Tom Johansen <br /> Mid-Continent Resources, Inc. <br /> P.O. Box 158 <br /> Carbondale, Colorado 81623 <br /> RE: Sedimentation Ponds - Sutey Property <br /> Dear Mr. Johansen: <br /> The purpose of this letter is to certify that the above referenced <br /> sedimntaticn ponds have been constructed in accordance with good <br /> engineering practice and the Geo-Hydro design specifications. <br /> We are enclosing an as-built topographic map which verifies that the <br /> minimum size rquirements specified have been fret, i.e. : <br /> Upper Pond: Width = 100' <br /> Length = 160' <br /> Side Slopes = 2:1 <br /> Depth @ Principal Spillway = 9.3' <br /> Lower Pond: Width = 80' <br /> Length = 175' <br /> Side Slopes: = 2:1 <br /> Depth @ Principal Spillway = 9.6' <br /> Also enclosed are copies of the compaction test results from Chen & <br /> Associates which show that the requirement of 95€ of Standard Proctor <br /> density has been met. <br /> Sincerely, <br /> \;:, ., ry/i. <br /> SCNMUESER & ASSOCIATES ,\X. LtE � /'/:• <br /> w <br /> Rick Kinshella, P.E. ; 1732422 , _ <br /> RK/JJ F ••....• <br /> SCNMUESER & ASSOCIATES, INC. <br /> 1512 GRAND AVENUE, SUITE 210 • GLENWOOD SPRINGS, COLORADO 81601 (303) 945-5468 <br /> 7 <br />