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Table 2.04.9-20 Soil Map Unit Descriptions <br />1 11, <br />� "Ir4 <br />L <br />Fluvaquents <br />60 <br />Steep eroded slopes along narrow <br />This map unit occurs along the lower wet portions of <br />wet (saturated) channels lunit <br />the major drainages in the project area. The unit <br />1 <br />0-10 <br />var <br />potential for salvage Depths and <br />Eroded remnants ofShawa, Pmr-Idge, and Yamo <br />receives periodic moisture from runoffevents and <br />seasonal/perennial moisture from up channel springs <br />I <br />Battlement <br />40 <br />textures of materials vary. <br />Erosion is active <br />Gravelly -L & <br />The soils of this unit are very <br />This unit is primarily present on very steep slopes and <br />Lithic/Ustic Torriorthents <br />60 <br />Loam <br />6 <br />0 <br />poorly developed with unaltered <br />Some similar uIceptisols and alfisols Inclusions are <br />topography with hard bedrock Soils are very poor <br />2 <br />0-75 <br />material at shallow depths <br />non-luniting <br />relative to most other units Many ofthe slopes have <br />Bedrock Outcrop <br />30 <br />— <br />No soil salvage due to rock <br />boulders that will farther lunit salvage operations. <br />content <br />Thesoils ofthis unit are very <br />Lithic/Ustic Tomorthents <br />45 <br />Channery- <br />6 <br />0 <br />poorly developed with unaltered <br />Loam & <br />material at shallow depths <br />This unit is primarily present on very steep slopes with <br />Fine -Loamy / Loamy -Skeletal Typic <br />Mmanal soil development with <br />325-75 <br />Loam <br />Few in <br />very mmunal soil development. Soils are very poor <br />Haplustepts <br />30 <br />5 <br />6 <br />high rock and clay content at <br />relative to most other units Outcrops occur as ledges <br />depth <br />Rock Outcrop <br />'0 <br />No soil salvage due to rock <br />I <br />Extremely Shallow <br />content. <br />Entisols <br />45 <br />Loam <br />4 <br />0 <br />Rock outcrop (-5%), Tomorthents (-10%), and <br />Ridge tops on the south end, loess pockets and areas <br />4 <br />0-35 <br />High rock content at depth <br />of more soil development Argillic horizons ofalfisols <br />occasional mollisol pockets. <br />Haplocryalfs/Haplocryepts <br />35 <br />Loam <br />10 <br />10 <br />are weak and border on cambic (Haplocryepts) <br />Terraces and alluvial fans of canyons in north end of <br />Ustifluventic, Haplocambids <br />45 <br />Loam <br />study area- The soils in this unit are all very <br />5 <br />0-10 <br />8 <br />15 <br />Weak profile development <br />Other suralar soils <br />comparable, but highly variable in texture and the <br />Battlement / Havre <br />45 <br />Loam <br />nature ofthe stratified deposits <br />Shallow / Skeletal <br />50 <br />These poorly developed soils have <br />' <br />Skeletal phases ofthe primary soils and similar, <br />These poorly developed soils are generally on steep <br />Ustic Haplocambids <br />high clay content and coarse <br />weakly developed soils, are present Some argillic <br />an <br />slopes d ridge tops at the north end ofthe project <br />6 <br />0-70 <br />Loam <br />6 <br />var <br />fitamnents at depths below 6 <br />(HaplargIds) soils are likely found in areas of moisture <br />area Variable geology results in variable subsoil <br />Tomorthents <br />25 <br />inches <br />accumulation Rock Outcrop occurs across <br />conditions <br />approximately 15% ofthe unit <br />Redthayne/Yamo V <br />Some loess and more altered <br />Unit is variable and inclusions are similar <br />I in <br />This un t is primanly located the Order III survey <br />7 <br />10-70 <br />(Fme-Loatny/Loamy-Skeletal Ustic <br />75 <br />Loam <br />6 <br />12 <br />materials above shale and <br />Translocated clays and carbonates may or may not be <br />area. Many of slopes are very steep The soil <br />Hapocambids/Haplargids) <br />sandstone colluvium m subsoil <br />present in the subsoil. Lithic soils may occur in <br />moisture repine is borderline between ustic and aridic <br />Less alteration below 18 inches, <br />aivroximateiv 15% ofthe unit <br />Thin topsoil over thick subsoil <br />Similar deeper soils (Yarrio) and soils with argillic <br />This unit is formed from outwash materials deposited <br />8 <br />0-20 <br />Kemmerer <br />80 <br />Loam & Fine <br />6 <br />24 <br />with highgavel content Higher <br />horizons (Forelle) are likely present, but are non- <br />over interbedded sandstone/siltstone/shale on ridge <br />Sandy Loam <br />carbonate content or less alteration <br />limiting <br />tops Subsoil is variable, but generally of poor quality. <br />below 30 inches <br />Bedrock is generally present within 40 inches. <br />Soils with bedrock contact within 40 inches <br />High carbonate content in the <br />(Kemmerer) and variants with high loess influence are <br />9 <br />10-35 <br />Yanto (Steep Phase) <br />65 <br />Loam & Fine <br />6 <br />16 <br />lower subsoil and inore rocks at <br />present Soils in moist areas have weak argillic horizon <br />These soils formed on short slopes in the northern end <br />Sandy Loam <br />depths over 22 inches <br />development (Pirelli). All are non-hiniting within the <br />ofthe project area <br />proposed salvage depths <br />