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<br /> <br /> <br /> 2.04.9 <br /> <br />:-, ~ / Page 7 of 46 • <br />~ C8 -- Torreon stony clay loam, 5 [0 20 percent ulopce. This deep, <br /> <br /> well drained soil le on uplonds. It formed 1n colluvium derived dominantly <br />~' from basalt and shale. Slope is 5 to 20 percent. 'Ilse native vegetation <br />is mainly grass. Elevation ie 5,500 to 6,500 fee[. The average annual <br />-~ <br />i l,recipitatlon is 15 ~to 18 inches, the average annual air temperature is <br />1 <br />' 4ii. to 51 degrees F. ,, and Che average frost-free season is 100 to 125 <br />days. <br />Typically [he silrface layer Ss stony clay loam ) inches thick. The <br />subsurfar.e layer is clay loam 3 inches [hick. The subsoil is clay 26 <br />• inches thick. The substratum to a depth of 60 Snches is clay loam. The <br />-~ soil is neutral to a:deoth of 29 inches and is moderately alkaline and <br />' calcareous below. that depth. <br />C <br />/. Included in [his. mapping unit arc small areas of Fomho stony clay ~ • <br /> ln:un. Itocd\o soils :arc waderatr.ly drop to s'nalc. <br />~~ Pcrmcabi]icy of [his Torreon soil is sloe. Availah)e vaCCr capacity <br />i <br />_s high. Effective rooting dr.pch is GO inches or more. Runo(f is rapid <br />` and the hazard of uacer erosion is high co very high. <br />i - <br />This unit is \lszd for ranE.cland. <br />i '1-ne ;oten[ial p`_an[ ccmnuni ty on t:h is unit is mai;: ~:v v,~_p;cr^'.h e.~; r;r's;, <br />!.I UC ~': ama, ..... ~.. :'C t)liii'~'r,1 ;:5, .: :1 :: ..,: i'ri i'. I~l'.!.':ti Ci '.-1C :i \'C :'.i :;C .. ~~.: '.!al <br />;'reduction of air-dc~• vegetation is abn•.rt 1400 pounds per acre. If [he <br />condition of the range deteriorates, blue mama, three-awn, curlycup <br />r\ <br />! gunr~eed, tumble grass, ring mutely and lientucky bluegrass increase. Range <br />seeding is suitable if the range is in poor condition. Livestock grazing , <br />should be managed so that the desired balance of species is maintained in <br />