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<br />i <br />ARCADIS <br />Table 2-2 Estimates of Growth Medium Salvage Depth and Suitability <br />Baseline Technical <br />Report <br />Report for Soils and <br />Biological Resources, <br />Cresson Mine Life Extension <br />Project Area <br /> Soil Depth From JBR Soil Depths From NRCS <br /> <br />Soil Ma Unit Range of <br />Depth inches Mean Depth <br />inches Range of <br />De th inches Mean Depth <br />inches Suitability <br />Rating <br />Grenadier 2-18 10.6 1-17 9 Poor <br />Unnamed 2-18 10.6 1-10 5.5 Poor <br />Quander 6-16 10.8 4-15 9.5 Fair <br />Varden 3-22 12.4 3-13 8 Fair <br />Rogert very gravelly sandy <br />loam ND ND 1-5 3 Fair <br />Rogert with Rock <br />Outcroppings ND ND 1-3 2 Poor <br />Rogert very gravelly sandy <br />loam, cool ND ND 1-11 6 Fair <br />I ild ND ND 2-22 12 Poor <br />Catamount ND ND 3-16 9.5 Fair/Poor <br />Ess ND ND 1-12 6.5 Fair <br />Bushvalle ND ND 1-8 4.5 Fair <br />Seitz ND ND 1-11 6 Fair <br />JIJR 1997. <br />2 NRCS 1999. <br />ND = No Data. These soil types were not named at the time of the JBR study. <br />Table 2-3 Soil Material Suitability Criteria For Salvage And Redistribution As Growth Medium' <br /> Soil Quality <br />Soil Property Good Fair Poor Unsuitable <br />Texture Sandy loam Sandy clay loam Sandy clay Clay>60 <br /> Loam Silty clay loam Loamy sand percent <br /> Silt loam Clay loam Silty clay <br />Coarse Fragment ( percent by 0-10 10-20 20-35 >35 <br />volume <br />Organic Matter percent) >1.5 0.5-1.5 <0.5 <br />Soil pH 6.1-7.8 5.1-6.1 4.5-5.0 <4.5 <br /> 7.9-8.4 8.5-9.0 >9.1 <br />Salinity mmho/cm) <3 3-6 6-9 >9 <br />Available Water Retention Capacity >0.16 0.2-0.6 <0.2 or <br />in/in) >6.0 <br />Permeability 0.6-6.0 0.2-0.6 <0.2 or <br /> >6.0 <br />1 NRCS 1999. <br />mmho/cm = millimho per centimeter <br />• in/in = inch per inch <br />CCV Final Technical Report (3-28-08).doc <br />25