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` 9-1 en , <br />•~~ f' ' ~ ~ <br />,.y <br />,',, <br />;; t,' Tha.:;: I,ltl•,~ ::• Sls nro on ulruvial. fans and valley sirieslopes at rlovetions" <br />K,7., <br />r~ ~ of BSUO ho i±OOU fe.rt. Tho ave r~ a annun l ' <br />proo~p~.tu'.ion is about 2U innhes, the <br />y,_~ mran uunnn! nir tcnpnrnturu is ,: rvrut 49°F., rurd bho avn~•nac frost-fr::e pori.od is <br />i <br />~.! about rrCi days. The Zillman soil oar.npins tho broad, sli.f,htl;• concave ports of the <br />lnndsenpe. It. makos up aho~rt; 55 pnrcent•of the unit. The unnamed cobbly loam <br />sni.l occnnins the s.>ronwhat convox positions. Ir, makos un about 45 percent of `.he <br />unit. Zillmnn dit'fers in having a finer taxtured s:,bsoil. <br />The 7.illman soil is moderat^~~ do^p and well druined. It formed in r,lacis] <br />ontwash fr•rn~ mizr.ri ninorolory parent materials. <br />T;•pical ly tha aurfnoe ley rr is da •Y. brovrr stony loam oho t 3 inci~ns thi ak. <br />ar^•"~Thn euT+:w!.1 is da~•k brow^ stony sand~~ clay loam abort 12 inohes thick. Tho <br />3 <br />~~+' : substratum is v:n•y stony lonmy sand. <br />P-rrmnahilitp to ra id. Rffeotive rooting depth is .L5 !:0 25 inc os and the <br />available r:at•rr oa!,aolt.; is 0.14 to q.l' in.~in. Surfnon nmoff is slow and <br />the orosi•n hazard is slight. <br />Thy, un~.amod cobbly loam soil is moderately deep and well draine<!. Iz <br />•1 formed in glacial oui;rtash from mixed min+rolog;,~ parent mnteriels. <br />. ~;•~ <br />.rr Typical l? the snri'aoo layer is dark breve. cobhl~• lo!~m short 8 inches thick. <br />~. ' <br />{ <br />The subsurface is brown vor~ cnbbl.~ sand; loam ahotrt ;i2 inr.~es think. T':is <br />~ grades into sand, oohhle, and g••a~~•~t nt depths batvrcen 4U and 60 nr:hes. <br />•' PnrmAObility is rapid. !,ffocti~~e rootinr depth is I5 to ?n inr.}uvs and the <br />availahl., ~r ter oapaotty is O.U6 +:0 0.11 in.~in. Surfann runoff is slow any! the <br />~~i <br />e~osiorr haza••~I ie s71r}rt. <br />•~ <br />~: ~., <br />