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• <br />I~ <br />I <br />Table 1.4-1. Summary of Trapper Mine SL-03 Phase II pre{nlning sedl nt load demonstrations. <br />~ ~ <br /> Representative <br /> Support Skge Average <br />Redaimed Area AMC II AMC III Erodability Contrd Practice ~ length Slope <br />Bock acres CN CN Factor K Fad~Z Factor P (feet) (%) <br />CR{82-92) 407.2 75.0 88.1 0.34 0.20 0.6 i 50 8.4 <br />1982-1992 <br />i <br />~ <br />, <br />CR-(9394) 185.5 ~ 75.0 88.1 0.34 0.20 0.61 <br />i 50 6.4 <br />1993-1994 <br />I <br />i <br />Table 1.4-2. Summary of Trapper Mine SL-03 Phase II post-mining sediment load demonstrations. <br />Av e <br />Support i Sktpe Average <br />Reclaimed Area AMC II AMC III Erodability Contrd Predice Length Sktpe <br />~ acre:, CN CN Fador (K) FRCP Fador P (Teel) ~% <br />I I I I <br />CR{82-92) 407.2 61.0 78.8 0.25 0.007 7.0 I 300 8.4 <br />1982-1992 ~ ~ ~ ' <br />CR-(9394) 185.5 <br />1993-1994 <br />I <br />Time <br />of <br />~ Concen <br />0.046 <br />0.054 <br />Time <br />d <br />Concen. <br />0.066 <br />81.0 78.8 0.25 0.009 1.0 300 6.4 0.075 <br />I~ <br />i <br />, <br />i <br />Representative i <br /> <br /> <br />unoff <br />' Black Area Vdume Sedimem <br />(acres) ac-ff (tons) <br />20 <br /> <br />~ 1.89 24.2 <br />, <br />' <br />20 1.89 78.1 <br />Representative Runoff <br />Block Area I Vdume Sediment <br />(acres) ( (ao-ft) (tons) <br />I <br />20 <br />1.06 <br />1.4 <br />20 1.06 1.3 <br />p:tkarMedcatllsaEtlemel3.ba 09/20/2001 <br />