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<br />1633 Terra Avenue <br /> <br />Tel. (307) 672-8945 <br />~~ <br />Inter•fllountaln laboratorles.lnc. <br />Sheridan, Wyoming 82801 <br />PEA80GY COAL COMPANY <br />FLAGSTAFF, ARIZONA <br />MINE: NUCLA <br />December 9, 1991 <br />Lab 60. Location <br />68565 5w-11 <br />~ 63566 <br />c 64561 5iV-12 <br />68566 <br /> pH EC Satur- Calcium Magnesium Sodium SAR Sand Silt Clay Texture <br /> mmhos/cm anon meq/1 meq/1 meq/1 ° ° % <br />Depths @ 25°C % <br />0.0-2.0 7.2 3.38 40.4 23.2 26.5 3.17 0.64 54.4 22,3 23.3 SANDY CLAY LOAM <br />2.0-4.0 7.2 4.76 32.6 20.5 59,6 4.53 O. i2 56.2 23.3 20.5 SANDY CLAY LOAI•i <br />0.0-2.U 7.4 3.03 44.1 22.6 19,4 2.10 0.46 55.3 16.7 "16,0 SANDY CLAY LOAM <br />2.0-4.0 1.4 2.92 47.5 21.2 19.1 2.23 O.SO 51.6 20.6 27.8 SANDY CLAY LOAM <br />Page 1 of 2 <br />Miscellaneous Abbreviations: SAR= Sodium Adsorption Ratio, CEC= Cation Exchange Capacity, ESP= Exchangeable Sodium Percentage, Exch= Exchangeable, Avail= Available <br />