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<br /> <br />-~ <br />.~.. .... .. r..._•.,.,. ., _ ... ... <br />2.04.9 <br />Page 3 of 46 • <br />C ` H11U-Noden loom, 3 to 9 percent slopes. 'I'bis deep, well drained <br />uoil is on uplands and valley side elopes. I[ formed in alluvium derived <br />J <br />dominantly from sedimentary rock. Slope ie 3 to 9 percent. The native <br />r.~ vegc:tatlon Ss mainly grass. Elevation is 6,500 to 7,BD0 feet. The <br />1 r+erage annual preci?i cation Ss a'oou[ 17 to 22 inches, the average annual <br />air temperature is GG to 50 ricgrces F., and the average frost-free season <br />is 90 to 120 days. <br />. Typicn]ly the surface layer is loam 6 inefies thick. The suUsoil is <br />clay l.oain 33 inches t}ii~ck. 7'Ire substratum to a depth of 60 f.nches is <br />]oam. The soil is neutral to a depth of 27 inches and mildly alkaline <br />~' belo:+ tha[ depth. Depth to calcareous material rangrs from 40 to 60 <br />inches. <br />Included i.n this unit is 15 pr:rcent 1'~res::er sandy loa:o. Crasser soils <br />iiavC :: sandier profile. <br />Fermr.a: il.i tv of Cl~i:; :Joden ::oil is moderate co a depth cf 39 tacit es <br />::n~ r:.odern [ely rapid below that depth. Availah le ~•a[er capacity is high. <br />Effective rooting rie?th is GO inch es or more. F.unnff is riCdi um :?nd rite <br />..,-.:gird ei ~_at~:r cr~;si,~n _.; umdic:r, to very h:gh. <br />'I iii.s ur:it i~ a=cr. :`or t^ne;e'...;r:ci .~.r.d ir:t~ated havlana. <br />~Cb.e nrr,.~n;in1 ]::nt cc~~.r:~:nity un ibis unit ]s r.:ainl vas tern •-hratgrass, <br />b]uc gra~oa, and little hluestem. Other less numerous plants that character- <br />. ire ti~is unit arc Indi:m riceCrass, prairie juncgrass, and sidcoats grams. <br />"lhc average annual }production of air-dry vegetation is 1300 pounds per <br />acre. If cite condition of rice range deteriorates, sleepy grass, fringed <br />sagrb rush, th reeavn, and prickly pear increase. Fange seeding is suitable <br />1C :hc car. ;~~ is .'r. .,nnr c~r.r V"1 nn. <br />