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<br />• <br />J 1~1~ <br />Inter•fTlountoln La~borrtorles,lnc. <br />1633 Terra Avenue <br />Sheridan, Wyoming 82EtO1 <br />PEABODY COAL COMPANY <br />FLAGSTAFF, ARIZONA <br />Mine: NUCLA EAST <br />rn <br />A <br />~., <br />rAm <br />m <br />a <br />0 <br />A <br />Co <br />March 3, 1988 <br /> <br />Page 1 of 6 <br /> pH EC Satur- Calcium Magnesium Sodium SAR Sand Silt Clay Texture <br /> mmhos/cm ation meq/1 meq/1 meq/1 t 2 2 <br />Lab No, location Depths @ 25'C t <br />1161 810E 0.0-0.7 7.3 0.97 42.1 7.56 1.25 1.04 0.50 59,1 23.1 17.8 SANDY LOAN <br />1162 0.7-1.5 7,4 0.66 42,0 8.50 0.83 1.13 0.24 47.3 22.2 30.5 SANDY CLAY LOAM <br />116? 1.5-3.1 7.5 0.61 41,3 4.72 0.91 1.37 0.82 43,6 28.6 27.8 CLAY LOAM <br />1169 3.1-5.1 7.5 1.43 48.2 25.0 4.03 1.59 0.42 49.1 19.4 31.5 SANDY CLAY LOAM <br />1165 5.1-5.7 7.6 2.47 94.1 16.9 2.95 1.05 0.17 10.9 29.5 59.6 CLAY <br />1166 5.7-10.0 7.9 1.31 28.2 9.11 2.15 1.18 0.50 80.9 13.1 6.0 LOAMY SAND <br />1167 10.0-14.4 7.4 4.74 112, 19.8 25.9 14.3 2.99 20.9 34.0 45.1 CLAY <br />1168 14.4-14,4 7.5 4.05 31.6 22.5 21.0 9.75 2.09 76.4 17.6 6.0 LOAMY SAND <br />1169 24,4-30.8 6.6 3.42 30.5 11.8 20.8 1.84 0.40 84.5 11.3 4.2 LOAMY SAND <br />1110 30.8-34.5 6.7 4.31 31.4 23.6 31.4 1.40 0.21 77.8 15.3 6.9 LOAMY SAND <br />1171 34.5-42.5 6.7 5.80 31.0 21.8 55.8 1.96 0.31 81.5 12.5 6,0 LDAMY SAND <br />1172 42.5-50.1 7.6 3.20 26.5 11.4 19.1 7.20 1.84 72.4 20.7 6.9 SANDY LOAM <br />1173 50.1-56.8 7,1 4.17 25.9 12.4 25.1 3.71 0.16 76.0 17.1 6.9 SANDY LOAN <br />11]4 56,8-59.4 7.9 1.81 33.b 6.14 6.91 4.62 ].80 11.8 15.3 6.9 LOAMY SAND <br />1175 59.4-61.0 7.4 1.49 34.1 10.4 11.1 4.21 1.26 80.5 15.3 4.2 LOAMY SAND <br />1176 61.0-66.6 8.0 1.47 18.2 5.48 4.82 2.81 1.24 73.6 19.5 6.9 SANDY LOAN <br />11)7 66.6-68.9 1.6 1.19 27.7 7.56 5.99 2.11 0.81 81.8 14.0 4.1 LOAMY SAND <br />1178 68.9-71.1 6.2 4.53 28.6 21.2 10.1 13.8 3.04 10.9 23.1 6.0 SANDY LOAM <br />1179 18.4-80.0 6.3 3.20 14.5 17.9 10.7 5.35 1.41 77.3 17.6 5.1 LOAMY SAND <br />1180 80.0-82.7 8.0 1.24 26.1 2.36 1.29 6.37 4.72 76.4 17.6 6.0 LOAMY SAND <br />Tel. (307) 672-8945 <br />Miscellaneous Abbreviations: SAR= Sodium Adsorption Ratio, CEC= Cation Exchange Capacity, ESP= Exchangeable Sodium Percentage, Ezch= Exchangeable, Avail= Available <br />