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~ ~ • <br />1633 Terra Avenue <br />Inter•fTlountaln Laboratories, Inc. <br />Sheridan, Wyoming 82801 <br />7e1. (307) 672-8945 <br />SENECA COAL COMPANY <br />HAYDEN, COLORADO <br />November 12, 1991 <br />SIiE: HUBBERSON GULCH <br />Paye l of 4 <br /> pH EC Satw - Calcium Magnesium Sodium SAR Very Fine Saud Silt Clay texture <br /> Depths mmhos/cm anon meq/1 meq/1 meq/1 Sand ° <br />Lab No, Location feet @ 25°C % ° <br />148825 NGl 0.0-6.0 6.7 0.64 72.4 2.90 2.04 0.79 0.51 13.0 25,0 36,0 39.0 CLAY LOAM <br />a 148828 6.0-20.0 1.5 0.58 47.8 2.97 1.70 0,85 0.56 11.1 37.2 35.8 27,0 CLAY LOAM <br />148827 20.0-21,0 7,6 0.74 41.9 3.69 2.31 1.`t4 0.12 14.3 39.2 34.8 20.0 LOAM <br />148828 27.0-42.0 7.6 0.74 43,D 3.50 2.28 1,44 0.84 10.6 31.2 39.8 29.0 CLAY LOAM <br />148829 42.0-72.0 7.5 0.52 60.6 2.11 1.44 ].19 0.89 12.2 21.2 35.8 43.0 CLAY <br />148830 72,0-108.0 7.7 0,38 49.3 1.13 0.69 ].52 1.59 11.1 33.2 35,8 31.0 CLAY LOAM <br />148831 HG2 0.0-4.0 ].3 2.39 16.1 13.3 11.8 4.16 1.16 14.9 31.0 32.0 31.0 CLA'! LOAM <br />146832 4.0-12.0 7.8 1.21 50.8 5.79 4.27 2.77 1.23 11.8 27.2 39.8 33.0 CLAY LOAM <br />14883? 12.0-25.0 7.5 0,81 57.3 4.09 2.55 1.11 0.94 13.4 29.2 36.6 34.0 CLA'1 LOAM <br />148834 25.0-40.0 7.6 0.12 55.0 3.29 2.04 1.55 0.95 8,0 15.0 45.0 4D.0 SIL1Y CLAY <br />148835 40.6-56.0 6,9 0.92 51.5 4.42 2.73 1.12 0.91 10.1 21.0 39,6 40.0 CLAY <br />148836 56.0-78.0 6.9 0.56 79.0 2.24 1.46 ].45 ].06 10,0 17.0 25,0 58.0 CLRY <br />148837 78.0-110.0 7,6 0,46 59.3 1.68 1.08 1.37 1.17 9.3 20.0 39.0 42.0 CLAv <br />148838 HG3 0.0-5.0 7.4 1.70 102. 8.78 7.05 3.3J 1.20 12,6 27.0 32,0 41.0 CLAY <br />148839 5.0-18.0 1.8 0.80 42.2 3.54 2.35 2.02 1.18 15.7 41.0 33.0 26.0 LOAM <br />148840 18.0-38.0 1.7 0.76 58.2 3.32 2.22 2.00 1.20 8.0 19.0 40.0 41.0 SILiY CLAY <br />148841 38.0-59.0 7.8 0.63 49.6 2.63 1.61 1.83 1.25 14.1 27.0 43.0 30.0 CLAY LOAM <br />148842 59.0-80.0 1.3 0.81 58.6 3.02 1.71 3.33 2.1ti 6.5 13.0 43.0 44.U SILIY CLAY <br />148843 80.0-104.0 6.4 0.53 47,9 1.18 0,68 2.92 3.03 6.2 17,0 47.0 36.0 SILiY CLAY LOAM <br />148644 HG4 0.0-6.0 1.0 0.73 78.9 2.60 1.67 0.87 0,59 16.1 27.0 40.0 33.0 CLAP LOAM <br />Miscellaneous Abbreviations: SAR= Sodium Adsorption Ratio, CEC= Cation Exchange Capacity, ESP= Exchangeable Sodium Percentage, Exch= Exchangeable, Avail= Available <br />