Laserfiche WebLink
4 <br />Table 3 - SEDCAD 4 Parameters: Pre-minin¢ -continued <br />CP factor 0.047 to Trapper's selected land use, Reasonable because each variable <br />0.050 canopy, and surface selected is reasonable (see comments <br /> rou hness (see below). on following variables). <br />Permanent <br />pasture, Reasonable because, of the four CP- <br />rangeland, idle None factor tables in SCS TR-51, <br />land, and "Permanent Pasture,...." is the most <br />grazed appropriate. <br />woodland <br />Canopy <br />providing 50% <br />Reasonable becauseTrapper's <br />cover, undisturbed cover density on the <br />consisting of Pre-mining cover data in bond release parcels was estimated <br />appreciable Table 4.4-2 of permit app. to be 60% as shown in Section XII <br />brush or bushes of Appendix Q of the permit <br />(fall height application. <br />approximately <br />3 meters) <br />No reduction Relative to post-mining Reasonable because it is used as a <br />for surface <br />surface roughness. benchmark for comparing post- <br />rou hness minin surface rou hness. <br /> Slope lengths and magnitudes. and <br />Time of concentration None ]and use description inputs for this <br /> subroutine were reasonable because <br /> the matched field data. <br />Page 4 <br />