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Table I-6. Range and mean values for select soil parameters on regraded spoils <br />in Ashmore, Derringer, and Enfield pits for 1985-87 (combined) <br />Parameter Ashmore Pit <br />X hiEh low <br />Derringer Pit <br />X hieh low <br />Enfield Pit <br />X hieh low <br />pH 7.6 <br />E.C. 2.2 <br />SAR 1.3 <br />$ Saturation 40.1 <br />Acid-Base <br />Potential(1) +52.3 <br />8 Clay 33.8 <br />8.0 7.1 <br />4.5 .5 <br />7.9 .1 <br />50.6 31.8 <br />+75.1 +26.6 <br />50.0 17.0 <br />(1) From 1987 spoil analysis only <br />7.4 8.5 6.8 <br />1.7 4.3 .4 <br />.5 2.0 .2 <br />42.8 53.1 31.5 <br />+47.5 +88.7 +13.9 <br />37.1 47.0 18.0 <br />7.3 7.6 7.0 <br />2.1 3.6 1.0 <br />.4 .8 .2 <br />41.9 51.6 30.1 <br />+57.6 +75.0 +40.1 <br />35.2 44.0 4.0 <br /> <br />