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tAwREr~cE c. w~+iTE P.E. 1111 I Ilillllll <br />f 1650 M. STREET PENROSE, COLORADO 81240 <br />719-372-6461 <br />RECEIVED <br />MAR 4 1993 <br />_CERTIFICATION <br />Division of Minerals a Geolo9Y <br />I, Lawrence G. White, a Registered Engineer in the state of Colorado, <br />Registration NO. 7964, do hereby certify that I have inspected the <br />Sedimentation Ponds at Twin Pines No. 2 Mine in accordance with Ruie <br />No. 4.05.6 (137, "Sedimentation Ponds" - "Inspections", of the Rules <br />and Regulations for Coal Mining. Gopies of the inspection reports for <br />Sedimentation Pond Nos. 1, 2, & 3 are attached. Comments and required <br />action is set forth on the reports. No conditions were found which <br />would affect the safety of the structures. The strut+_ures were inspected <br />Jamaary 25, 1993. I+_ems required to be .~omplet_ed on Pond No. 3 will <br />be completed with construction of the emergency spillway, still =in the <br />final reveiw stage. <br />Lawrence White P.E. <br />Colorad Registration No. 7964 <br />February 28, 199.3 <br />