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INSPECTION REPORT <br />Site: National lGng Coal Mine, Hesperus, Colorado .: '` r <br />inspected t3y: Don R. May, P.E., Project Engineer ,~~~°•~~~~b ~,\ <br />ins lion Date: Quartert I on Jul 11 2004 ~4,.s%Ordht :`?,,;a~~~• <br />Ponds: The east and west sedimentation ponds and their embankments and outlets <br />appear in good oond~ion. The west pond is sham in photograph 1. As see this pond is <br />in need of leaning, espeaally at the enhance and rear the edges. <br />Dra~aae D The large, rode lined east side and west side drainage channels <br />appear in good general condition. Some coal is getting into the top portion of this ditch, <br />where it is adjaoerrt to the aaoess road. as shorn in phoDOgn3ph 2. Cars should be <br />taken not to contaminate this clean water ditch. Drainage akNig the waste pile access <br />road and other roads at the mine is perforrrring according to the design plan. The upper <br />and Power yards are ~f in good shape. Photograph 3 sltavs the dirt behind ttre ofl5ce. <br />Vege#ation should periodically be leered from this ditch to assure adequate fk)w <br />c-_ The yard draiusage grates, pipes and ditches appr~d dear and functioning. <br />All other ditches and drainage slrrrchrres vrere i-t8pecbed and appear in good ape-atirrg <br />condtion. There~are~n0 apparent drautage~pn~bfems On the site: Except vrttere noted, aN <br />drainage teed,res have t>e~'r and are operating ats stated in the drainage <br />plan strbmiried to the Division of Minerals and Geology. <br />Coal t+Vaste Pile: As mentioned in previous inspection reports, oversteepening of the <br />waste pr7e face at the toe of the slope s~ e>~ts. This is seen m photograph 4. Fo a <br />large extent ttte toe ~ a slope controls the Y of the entire slope. Care should be <br />takers to assure that this area is regarded oral canpad!ed to design specifrcetiarss. <br />Serrondfy, Uis eves shorrid be vege#ated in aooordarroe with the approved mine plan. At <br />this 6me fliers are no vtiaibte signs of structural instability on the waste pile. <br />The top of the waste pile. pt~ographs 5 and 6, has been regarded since the last <br />inn. tt has been smoothed out-and the side drainage Qitds has been graded. ft is <br />in is good-cortd'ib~on. <br />for the items mentioned above the fib on the waste pile teas been cottstructad as <br />specified in the design approved by the Division of 11Air-erals and Geology. <br />