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• PR.*LIMI.~.?&Y DRAFT <br />~, AEA <br />14D--9er.•~r-iSutch Clay Isar, 9 to 15 Percent Slope <br />• <br />T:.ese atronglf sloping to a~derately steep soils arc valley side <br />slapea er.3 convex ridges. The nveraFe annual Drecipitation is 15 to <br />lg inches, cyan ar~cal t~ierature is about 4b~ P., Ernst flee season <br />is 125 to 1l:0 Sys end elevation Ss 5c00 to 6500 Peet. fearer clay <br />loam, 9 to 15 ;;erce^t slope s,cs;:es up a~out 60 percent of th> unit, and <br />Kutch clay low raa}:es un about j0 percent of the unit. The 1Nz:-er soils <br />are on rid~a c_ests and lo~zr slope gositicns were clayey aLe;.~u.~ <br />locall;,r v;;athered :'.rya sl~.zle has been dccosited. iPx ~utcn soi~ are <br />is iaid~lope positlo~ :,Here shale i3 rithin 4o inches of the surface. <br />Icclu;i d are stall execs oP NiL.n e1ry le_~ on 3 to 5 rercent Slopes <br />borderir~ thet.iga-],yznS flat r.r.as and Lagle::/:i clay loses soils in the <br />"cove-like" a~airsaes khera t^e aecw~uLilation of dar surface la;;ar is <br />thlc::e~ed. <br />The Denver soil is a deep, wail drained soil. It formed in cal- <br />careonr• clayey ailu:-i:t?. <br />Typica7l;~ t'ae surPacp layer i3 tea;%is:, b:~;m clay loses s3out 5 1^ecas <br />t!^~c'o. Twe subsoil is bro-an cloy about 22 inches thick an3 is calcareous <br />in the lo~ar part. Th= uncsrl;::~ material io strcr']y calcsreous verJ <br />gale broRa clay loam e:ctendiag to oil inches or sores. <br />• Perw_sbiLty is sic:!. Effective rooting de?th is o0 inches or more. <br />Available cr.:ter capacity is hi.~.,.1' . ~u_rfaca ruro.'f is rapid, xater erosion <br />hazard is high, end wind erosion hazard is coderate. Shrin's-s~aell poten- <br />tial is high. <br />~.: ... <br />The ::etch soil is s aoderately deep, Fell drained soil, it formed <br />in calc.:rsaus clayey saterials ~;eethcred f.: s s;.ale. <br />lr?ically the surface layer is grayish trodn.clay loam about 4 inches <br />thick, i}e subsoil is dar'a ~-e,yish broa:i and 1i.;':t bres.~ish }may clay <br />about 17 inches thick. 2fne substratum layer is li_t ,Jay clay loom <br />snout 12 inches thick. Sort ehala is at a danth of about 3 inches. <br /> <br />• <br />Perceability is slow. kffactive raoti ~ depth is 20 to 40 irchea. <br />Available water capacity is codernte. Surface runoff is rapid, water <br />erosion t3zard is hi5h, an8 win3 erosion hazard is =od_rate. Chsirlc- <br />ewzll potential is high. <br />These soils are used mainly for gra~ino. They are not suited for <br />cropland, /Leas in cropland aro best reseeded to gz-ass. <br /> `i <br />- t~ ,. <br />