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<br />Aspen Highlands Ski Area - Draft Enviroramenlallmpact Stalemenl <br />Table 32 Continued <br /> <br /> Soil Characleristics Soil Management Considerati.ons Distribution <br /> Soil group Code Soil Map Unit (% slope, depth [in]) Available Mass movement Revegetation MCW' CCW' <br /> Penneability Runoff wata Erosion hazard <br /> ("Qnaci"' potential limitation acres % acres % <br />5) Continued 49C Scout (40-65. >20) moderate mcxlium low mod: slope high:slofM severe: low temp 11 48,6 1.6% 82.1 3,(1'" <br /> Scou~ open canopy (4065, >20) moderate rapid low high: slope severe: slope severe: low temp 11 <br /> 938 Handran, mod, deep (540. 2040) moderate medium low low mod: high wind scvere:shallow soU 5.0 0,2% t9,O 0,79 <br /> Eyre (540, <20) moderate medium low low mod: high wind severe:shallow soil <br /> 93C Handran. mod. deep (40-65, >20) moderate rapid low high: avalanc,", ' high: slope sevc:re:shallow soil 0.0 0.0% 22,6 0,8'" <br /> Eyre (40-65, <20) moderate rapid low high: avalanc,",' high:slope sevcre:shallow soil <br /> 93D Rock outcrop (40-t50, NA) NA rapid NA NA NA NA 1.8 0.1% 25.9 0,9'" <br /> Handran. mod. deep (40'150. >20) moderate rapid low high: slope high: slope severe: low temp <br /> ROt Rock outcrop (40,150, NA) NA rapid NA high: roclfall NA NA 174.7 5.9% 16.3 0.6'" <br /> RL Rubble, land (40-150. NA) NA slow NA high: talus creep NA NA <br /> RL Rubble land (l5-100. NA) NA slow NA high: NA NA 16,8 0,6% 16.4 0,6'" <br />Totals 2971 100% 2775 tOO'" <br />1 MCW is the Maroon Creek Watershed and CCW is the Castle Creek Watershed. <br />2 ModificaLion of water table inhibits re-eSlablishment of naturally occurring plants which are adapted to high water tables in lOA and variable water (able in 14A <br />3 Low available water capacity is the major limitation to plant growth in these soils. <br />4 This soil unit generated debris flows from ditch runoff. below the Moment of Truth Catwalk.. <br />s Although Mass Movement Potertial is low-moderate, this unit has experienced small roadcut slumps on the Boomerang catwalk (McCalpin 1994). <br />, This soil unit generated debris flows from ditch runoff. above the Moment of Truth CatWalk. <br />7 This soil unit contained the two runoff-induced landslides east of the Golden Barrel Trail which resulted from infiltration of diverted surface water. <br />s Mass Movement Potential is high only for rock outcrops, due to rockfall and talus creep. <br />, High Mass Movemenr Potential and RevegeLaJion LimiLaJions are due to the occurrence of snow and debris flow avalanches. <br />10 A lack of organic material on the surface represents the major limitation (Q revegetation in this soil type. <br />11 Short arowino season low temneratu.TCS and hi~h elevation r""""'''ent the mam constrainr to reveoetation in these soil tvne..lt.. <br /> <br />3-12 <br /> <br />Geology and Soils <br />