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<br />La Plata County /32 <br />A323l <br /> <br />Dark brown (7.5YR 3.5/2) dry to dark brown (1SYR 3/2) moist. <br />clay 10lllll, noncalc:areous. very weak to weak medium prismatic <br />breaking into strong medlUlll angular blocky st.ructure, medium <br />continuous clay skins. Very hard when dry, very plastic when <br />wet. Abrupt wavy boundary. <br /> <br />Reddish brow (5YR 4/J) dry to dark reddish brown (5YR 3,5/J) <br />moist very fine sandy clay 10_. strongly calcareous ill vein- <br />lets, strong lilngular blocky structure, thin to medlUlll continuous <br />cla.Y skins. Very hard when dry, stl.cliy when vet. Distinct <br />wavy boundary. <br /> <br />Dark brow (7 SYR hl4) dry to darlt brow (105m 4/3) moist <br />10_, slightly calcareous in veinlets, weak to moderate fine <br />subangular blocky structure, very thin to thin continuous <br />clay skins. . Loose when dry, slightly sticky when vet. <br /> <br />Topography - COncave 5% west facing slope. <br /> <br />Soil Profile; <br />Al 0 - 4" <br /> <br />AJ h - 7" <br /> <br />Bl 7 - 1111 <br /> <br />B2 17 - 35" <br /> <br />B2 3$-43" <br />ca <br /> <br />c 43" I- <br /> <br />Location: <br />W!. Section 5, <br />Township 33 N, Range 9 \II <br /> <br />yellowish brown (10'iR 5/4) dty to dark brown (lOYR 3/3) <br />moist very fine sandy loam, noncalcareous, weak to moderate <br />fim, subangular blocky st.ructure. slightly hard liheiliry and <br />slightly sticky when wet.. Boundal."Y gradual uavy. <br /> <br />Very darlt gra;)" brown (1OYR 3.5/2) dry to darlt yellowish brown <br />(lOYR 3/3S) moist loam, l'lOncalcareous, lfeak to 1lI.Od2rate very <br />.fIne grarll~lar. Slightly hard when dIY, slig.'ltly stIc':tY when <br />yet. Boundaty abrupt !!.~ooth. <br /> <br />Brown (1.5YR 4/2) dry to dark br'01m (7.5YR 3/'l) moist sil\;'y <br />clll\Y lo!llil, noncalcareous, moderat.;;:: to strong mediUlll angular <br />blocky structure, JIIedlUlll continuous clay skins. Hard when <br />dry, very stic~ when vet. Distin<:t broken boundar.f. <br /> <br />~ i <br /> <br />Physiographic Post tion - Colluvial-alluvial slope below loess covered plain. <br /> <br />Parent Material a Loess mixed with Animas shale. <br /> <br />Vegetation - Sage brush and pinon juniper. <br /> <br />Drainage - Runoff is IIOderate, and Internal drainage Is moderate. <br />