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'~~28F ?il lr~an-I)nnamod oobbly loam. sY.eop to vory s• p :~ Tli~se stoop to rvery steep soils aro r+n atoep lane, and valley and m~ rintsia i i} diAY. `~ . ~: ~ ir:. ;:. ~: . .sideslopes at elevations of GSOrI to R000 feet. The e~ora~e annual preoipitation ~is abou'. 2~ inohes, tho mean annual air tnm~erature is about 44°F., and the average fri+et~Proe npriod is a[+out 85 ~inye. The 7.illmatt soil oooupiea the broad, slightly oononvn, harts of the landsoape. It makes up ab~~ut ,5 peroent of the unit. The unnameA oohhly.loam soi]; oooupies the soinowhat oonvex positions. It'makes ~tp , I about 46 peroont of the unit. Zillman differs in having a finer textured subsoil. .The Zillman.soi'1 is moderatoly deep and wall drainod. It formed in glacial outwash from mined mineralogy parent sgtorials. ~._ T+•picnlly the surface layer is dark b~•own stony loom about 3 iriohee think: Tho s,rbnoil is dark brown et •uy sanr~jr oley loam about 12 inohes thlok. The" ~. avaita~+ln water cepcoity Se 0.06 to Orll in.~in. Surfaoe runoff ie stow and ,the ,: ; t, r~,,,;{,;:subatrntum is vory stony loanp. sand. ' Pennrab111ty Sa rapid. uffeotive rooting depth is 16 to 25 inohes grid ;ties. availel+ln water oap~oity is ~+.14 to.0.1R in.~ih. Surtaoe runoff is slow and;. . ~ the erosion hasard ie eli~ht. The unnamod oobbly loam soil is moderate)y deep and. well drained. It ~. ' Po^med fn Placiel outwash from mixed minerolo~ parent materiels. Tyrionlly. the eurfaoq layer is dark brown oobbly loam about 8; inohbs'.tFfiak:.' , The.atibsurfnoe is brown very oobbly sand;r loam.abou*.'82 inohes thiolk. This', gnsdee into sand, nobble, and gravel at depths between 40 and [i0 inohes. :•:~' ' Pes'•meability is rapid. SCfeotivs rooting 3epth is 16 to 20 inohos ea~:~he :'~;~~. ":a erosi,or~ ha card is slight. ~%.