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_, <br />2-62, AEA ti„~, <br />~ ~ ~; <br />' ,~: <br />.1 ~.r <br />~L'.'i SU1LS <br />• <br />'I'haoe aro medium-4extured, I'rial?lo u~ lr,nd :wil:;. They aro devoloplr~ <br />in light coloruri, limy, sil'"}~ and loamy winclain deposits called "loess". <br />Theso soils ~:ws L curcnnonly occur :ln tho s 1,,,up,~r upland loess areas on elopes <br />of 5 to 18`>• i <br />. ,~-•. <br />F.: ' <br />fib,; . <br />i <br />`~r ; <br />,, " <br />~. <br />s7. ,, <br />`' <br />y~: <br />..'Fy r <br />~= <br />~,, <br />~, : ". <br />.c <br />r; ;i~. <br />~C•_~ <br />::. y~~ <br />". .µ .. <br />a r <br />~ J~ <br />~x s:i <br />;;.~, <br />; ..., <br />The Colby so'Lls aro charac*,eri2ur! by a thin dark surface soil that is <br />underlain by the :Light co20rad, limy parent ma+.erial. These soils are very <br />s}ucllow to limy materials. <br />The Colby soils ore low in urp;anic matter, are slowly permeable and <br />are subject to severo wn.ter and wind erosion, if not protected, because of <br />the highly erodib:Le nntura ,f the unJorlying lortss. kunoff is rapid on <br />these soils. <br />~. ~ ~ <br />These soils usually show up as light colored areas on the tops of ridges <br />and. knobs. <br />Profile Lescription: <br />Surface soil•-0-1~ inches, dark ;;ray brown and i~rown silt loam or loam. '°'t" <br />Vary i'riaUle; contair:ing sane organic matter; ranges', i" <br />from =-7 inches thick. '",~: <br />~;;"'. <br />~', Transition lcxyor (No Subsoil)--1y-11 inches, brown to pale brown loam <br />or silt loam. Vary friable, limy; takes water slowly; <br />ly-lU inches thick. - <br />Parent '+fntoriLal--11 inches •, very pale brown to white Iosm or si'l't: <br />loam. gory friable; very limy; takes water very sToxly; <br />very orosi:a. <br />Variations and Inr;lusions: <br />P a,. <br />r <br />Mapping Units: %~ <br />SymUol Genoral Description '`' <br />163 (Field sheet) Vory J'rio',lo, upland soils, with thin fl'J-s @a~~` ~ Y <br />loam surf~.we soils underlain by a light oo}63'b~. ~": <br />loamy windlain matorial at depths of ~. to"11. in'b4seA. "" <br />These soils are low in urganio matter and v8ry <br />urosivc. Occurring on.... <br />,i <br />-~ ~ <br />?4 <br />": <br />,.. L <br />mu~ ~'~';d' `~~ <br />.:;~• c rtr <br /> <br />,pp <br />