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<br />TABLE 5.3 <br />SUMMARY OF STREPGTH PARAMETER DATA <br />MATERIAL DRY UNIT COHESION FRICTION <br />DF.4 ATPTION W .I .AT (PCF) (PSF1 ANGLE (DEGRF.E~, _OMM .NTS <br />Debris Flow <br />Soils 113.7 0 34.0 1 <br /> 105.0 0 33.7 1 <br />Colluvial Soils 100.0 300 30.0 2 <br /> 120.0 300 30.5 2 <br /> 125.0 2000 10.0 2 <br /> 110.0 447 19.0 3 <br /> 109.0 1600 43.0 4 <br /> 106.6 900 25.0 4 <br /> 108.7 1400 10.0 4 <br /> 102.8 0 35.0 4 <br /> 112.4 0 50.0 4 <br /> 117.3 700 40.0 4 <br /> 111.2 2100 10.0 4 <br />Coal Waste 93.0 706 11.0 5 <br /> 80.0 89 32.0 5 <br /> 115.0 0 33.0 5 <br /> 80.0 118 10.0 5 <br /> 121.0 346 24.0 5 <br /> 66.0 288 30.0 5 <br /> 45.0 72 41.0 6 <br /> 68.0 72 41.0 6 <br />COMMFNTS• <br />1 - From Triaxial Shear Strength Testing by Rocky Mountain <br />Geotechnical, 1965. <br />2 - From Back Analysis by Michael Baker Associates, 1984 <br />3 - From previous testing by Rocky Mountain Geotechnical in the <br />North Fork Valley <br />4 - From Direct Shear Testing by IECO, 1976 <br />5 - Tests on samples from a temporary waste pile east of the mine <br />portals <br />6 - Tests on samples from a waste pile adjacent to the warehouse <br />area <br />