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GEOTECHNiCAL ENGINEERING, MATERIAL TESTING <br />AND ENGINEERING GEOLOGY <br />Ia1010111IN31 04-1 <br />PROJECT: NKC I Coal Refuse Pile PROJECT NO. 53092MT DATE 9 -11 -14 <br />ENGINEER: D. Trautner REQUESTED SERVICE: Engineering Observations, <br />Field Density Testing <br />CONTRACTOR: Coal Mine Operations FORMAN: Mr. Wade Wymore <br />I met at the lower proposed embankment fit coal mine waste deposit area at 10:00 this morning. <br />We discussed the project including proposed subsurface drainage needs and requirements. <br />Amendments to our existing report will be made in this regard. <br />At 6:30 PM I returned to the project site and performed nuclear field density testing of the backfill <br />being placed in the Clearwater trench area. The elevations of the tests taken were nominally 6 to 8 <br />feet below- the elevations of the main coal waste deposit where additional material had been <br />stockpiled. <br />The approximate locations of the tests are shown below <br />649 TEcii CENTCR DftivE SUITE A • DURANGO. CO 81301 - 970/259 -5095 • FAX 970/382 -2515 <br />