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<br /> <br />Inter•fTlountoln Loborotorles, Inc. <br />1633 Terra Avenue <br />Sheridan, Wyoming 82601 <br />PEABODY COAL COMPANY <br />FLAGSTAFF, ARIZONA <br />Mine: NUCLA EAST <br />rn <br />A <br />A <br />m <br />m <br />n <br />0 <br />A <br />Cb <br />March 3, 1988 <br /> <br />Page 4 of 6 <br /> pN EC Satur- Lalcium Magnesium Sodium SAR Sand Silt Clay Texture <br /> mmhos/cm ation meq/1 meq/1 meq/1 3 t t <br />Lab No. Location Depths @ 25'C t <br />lIdl 672E 8.4-14.3 7.5 4.64 46.5 19.9 30.5 9.12 1.62 43.6 36.8 19.6 LOAN <br />1142 14.3-24.0 7.6 1.24 28.1 6.64 2.35 1.27 0.60 83.6 B.b 7.8 LOAMY SAND <br />1143 24.0-33.0 7.B 1.05 31.6 4.16 1.82 3.16 1.69 70.0 19.5 10.5 SANDY LOAM <br />1144 33.0-37.5 7.2 4.51 33.1 22.4 26.0 14.3 2.91 64.5 23.1 12.4 SANDY LOAM <br />1145 37.5-45.3 7.4 6.96 37.2 10.6 54.0 21.0 3.33 70.9 18.6 1D.5 SANDY LOAM <br />1146 45.3-49.9 7.7 5.70 30.8 16.5 29.5 25.6 5.34 19.1 14.0 6.9 LOAMY SAND <br />1141 49.9-53.5 6.5 2.43 12.5 1.87 2.16 19.1 13.9 36.4 34.0 19.6 CLAY LOAM <br />1148 53.5-fi0.0 8.1 9.38 19.6 7.62 7.53 30.8 11.2 72.4 21.6 6.0 SANDY LOAN <br />1149 60.0-70.0 8.3 3.02 28.3 2.50 2.01 24.8 16.4 77.3 16.7 6.0 LOAMY SAND <br />1150 7D.0-79.1 1.1 5.06 31.5 20.8 12.7 25.5 6.13 13.6 20.4 6.0 SANDY LOAN <br />1151 19.1-89.5 8.3 3.96 26.6 2.17 1.27 33.8 25.8 68.2 14.0 7.6 SANDY LOAM <br />1152 89.5-95.1 7.9 2.28 33.4 3:49 3.01 16,1 8.98 86.4 9.4 4.2 LOAMY SAND <br />1153 95.1-90.6 8.3 2.16 28.4 1.38 1.21 19.5 17.1 63.6 27.7 B.7 SANDY LOAM <br />1154 98.6-99.1 6.9 2.21 41.0 13.7 5.49 5.23 1.69 84.2 13.4 1.4 tOANY SAND <br />1155 99.1-103.5 8.1 1.16 30.9 2.33 ~ 1.37 15.5 10.1 73.6 19.5 6.9 SANDY LOAM <br />1156 103.5-110.4 B.0 1.80 18.2 3.04 3.02 10.9 6.26 66,4 25.8 7.8 SANDY LOAN <br />1151 110.4-112.3 4.4 5.50 34.0 19.7 26.4 19.5 4.D6 68.2 10.3 11.5 SANDY LOAN <br />1158 118.7-121.1 7.3 1.61 33.8 5.34 5.80 4.94 2.09 61.5 10.7 7.8 LOAMY SAND <br />1159 121.1-124.1 1.9 1.74 17.5 4.21 4.01 1.40 3.65 65.5 27.6 6.9 SANDY LOAM <br />1160 124.1-125.0 7.6 1.67 31.8 5.94 4.69 4.42 1.92 81.8 13.1 5.1 LOAMY SAND <br />Miscelianeaus Abbreviations: SAR= Sodium Adsorption Ratio, CEC= Cation Exchange Capacity, ESP= Exchangeable Sodium Percentage, Exch= Exchangeable, Avail= Available <br />Tel. (307) 672-8945 <br />