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Iverson Mine Stability Analysis <br />Critical Section - Communications Tower <br />Revised to reflect expected site conditions <br />4.695 <br />4.690 <br />4.685 <br />4.680 <br />Communications Tower <br />Factor of Safety: 2.8 <br />2.8 <br /> 4.675 x'" ` <br />O ? <br />O 4.670 <br />O <br /> 4.665 <br />X <br /> 4.660 <br /> <br />C 4.655 - Name: ?Claystone Bedrock <br />p Unit Weight: 134 pcf <br /> 4 650 - Cohesion:" 500` psf <br />> Phi: 22 <br /> 4.645 - <br />W Namee, Sand and Gravel <br /> 4 <br />640 Unit Weight: 137 pcf <br /> . CohesionA psf <br /> Phi: 37,° <br /> 4.635 - <br /> Name: Overburtlen <br /> 4.630 - Unit Weight: 126 pcf <br /> CO, Oon:' 1510 psf <br /> 4.625 Phi: 28 ° <br /> 4.620 <br /> -50 -40 -30 -20 -10 0 <br />10 20 30 40 50 60 <br />Distance (ft) <br />P:1235111133-23511-100021Deliverables\DRMSIApplication Package\Stability Exhibit\Slope Stability Files\