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C
<br />I~CEIVED
<br />~'UL 51983
<br />GRAND COUNTY AREA, COLORADO
<br />pole
<br />sparse
<br />This
<br />about 4
<br />Thinning
<br />and po
<br />skid trails.
<br />Wildlife i n d
<br />bear. Managi
<br />the big game
<br />Steep slope
<br />munity develop
<br />age outlets Tor
<br />be designed to
<br />The capability
<br />e mule deer, elk, blue
<br />livestock grazing and I
<br />met range.
<br />the soil property m
<br />t. Road design s
<br />su ce runoff. Cut i
<br />min ize soil slippag'I
<br />sub ss is Vlle.
<br />64-Pergelle Cryo er
<br />extremely steep. This to
<br />on mountain ridges an
<br />11,400 to 13,550 feet. T
<br />mainly snow, is 30 to 35
<br />temperature is 26 to 29 i
<br />season is less than 10 day
<br />This unit is 60 percent
<br />cent Rock outcrop, and 10
<br />Mirror extremely stony sr
<br />tremely stony sandy loam.
<br />Pergelic Cryorthents are
<br />soils that formed in maU
<br />gneiss, schist, or other me
<br />is gravelly sandy loam or c
<br />sometimes are frozen m~
<br />summer.
<br />Permeability is rapid. T
<br />very low. Surtace runof
<br />hazard is severe.
<br />The Rock outcrop is
<br />metamorphic rock.
<br />This unit is alpine gr
<br />The potential nativ e
<br />bluegrass, alpine muh ar
<br />is disturbed or exces ly
<br />Wildlife include pi pta
<br />also provides sum ran
<br />MINED LAND RECLAMATION
<br />Colo. Dept. of Natural Resource
<br />colluvium Irom mixed rock sources. The
<br />precipitation is about 14 to 16 inche
<br />an I air temperature is about 37 to 4
<br />the t-free season is about 30 to 60
<br />Sma reas of Youga loam,
<br />loam, a layburn loam are incl
<br />Typical he Ouander soil has
<br />dark grayi brown cobbly loam
<br />The upper inches of the sub
<br />light yellowis Town very stony
<br />lower 7 inche slight yellowish
<br />loam. The subs lum is light
<br />stony loam that ends to 60
<br />Permeability is der
<br />is 60 inches or e.
<br />moderate. Surface nc
<br />hazard is moderate.
<br />Most of the acreage
<br />recreation and wildlife.
<br />ing season limit the pr
<br />and preclude the use of
<br />Rangeland vegetation
<br />grass, Idaho fescue, bic
<br />range condition deteri
<br />dominant.
<br />Deterred grazing an
<br />to maintain or improv
<br />cobbly to be seeded i
<br />prove range conditi
<br />dominant.
<br />The
<br />arage annual
<br />the average
<br />grees F, and
<br />Wo hall loam, Anvik'
<br />ude n mapping.
<br />e dace layer of very
<br />a ut 10 inches thick.
<br />it is pale brown and
<br />andy clay loam. The
<br />rown extremely stony
<br />owish brown extremely
<br />ies or more.
<br />effective rooting depth
<br />able watei capacity is
<br />~ium, and the erosion
<br />find. Part of it is used for
<br />climate and short grow-
<br />~ of introduced grasses)
<br />as cropland.
<br />iantly bluebunch wheat-
<br />ash, and bitterbrush. As)
<br />fig sagebrush become
<br />r
<br />3razing nagement are needeu
<br />range co ition. The soil is too
<br />th a drill. rush control can im- ,
<br />it big sag rush has become
<br />to deep, welt drained This soil provide spring and fall iidnsition range for
<br />rthered from granite, mule deer and el Other wildlife include sage grouse,
<br />material. The prolile cottontail, jackrab ,and coyote. Livestock grazing man-
<br />dy loam. These soils agement and sag rush control are necessary to protect
<br />year but thaw in big game range.
<br />Large stones i the soil property most limiting to com-
<br />water capacity is munity develop nt. Cut and fill slopes should.be de-
<br />~ and the erosion signed to mini a soil slippage.
<br />The capabil' subclass is Vls.
<br />hi gneiss, or other ~
<br />uid wildlife habitat.
<br />is minently alpine
<br />cin aloft. If this unit
<br />sion ay occur.
<br />and m mot. The unit
<br />k, mul deer, bighorn
<br />sheep, and Rocky main goat.
<br />This unit is sev limited for all uses ecause it is
<br />extremely fragile. a vegetation is distur d, it is ex-
<br />tremely difficult to )aim and stabilize.
<br />The capability lass is Ville.
<br />65-fZuander bly loam, 2 to 15 perce t slopes.
<br />This deep, well fined, gently sloping to stron sloping
<br />soil is on moun nsides, ridges, end fans at ovations
<br />of 8,000 to 9, 0 feet. It formed in glacial rift and
<br />-- - -. . --'-- --,..r .
<br />season limit the production
<br />and of wood crops.
<br />potential native vegetation is dor
<br />e, Engelmann spruce, quaking
<br />derstory of grasses, shrubs, and
<br />ter soil is suited to lodgepole pi
<br />0 50 cubic feet of wood pe~
<br />e stand provides poles for
<br />we fines, Care is needed to pr
<br />01 ~rtroduced
<br />ri fly lodge-
<br />n, and e
<br />s.
<br />It produces
<br />re per year.
<br />cos, corrals,
<br />nt erosion of
<br />se, and black
<br />'r improves on
<br />miting to com-
<br />provide drain-
<br />slopes should
<br />Roc outcrop complex,
<br />to remely steep unit is
<br />s es at elevations of
<br />;r annual precipitation,
<br />~s he average annual air
<br />e F, and the frost-free
<br />is Cryorthents, 30 per-
<br />nt small areas of eross-
<br />oam and Meredith ex-
<br />of
<br />and
<br />yens, and
<br />used, ero
<br />rmigan,
<br />qe for el
<br />on mountainsides at elevations of 8,000 to 9,000rfeet. It
<br />formed in glacial drift and colluvium lrorri mixed rock
<br />sources. The average annual precipitation is about t4 to
<br />18 inches, the average annual air temperature is about
<br />37 to 42 degrees F, and the host-free season is about
<br />30 to 60 days.
<br />Small areas o1 Youga loam, Woodhall foam, Anvik
<br />loam, and Clayburn loam are included in mapping.
<br />Typically the Ouander soil has a surface layer o1 very
<br />tlark grayish brown stony loam about 10 inches thick.
<br />The upper 40 inches of the subsoil is pale brown a~
<br />light yellowish brown very stony sandy clay loam abo~.
<br />40 inches thick. The lower 7 inches is light yellowish
<br />brown extremely stony loam that extends to 60 inches or
<br />more.
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