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r <br /> <br />• <br /> <br />~:~-, <br />;~ <br />I ~ <br />i <br />:.,: 7: <br />i! , <br />sllght. This soil has a fluctuating wateY table during moat of the y ar and ,is <br />,~:4 <br />subject to occasional flooding during the spring a~d summer months. <br />., ,' <br />series reported by the Soil <br />Typical Pedon: Big Blue loam, grassland. (Colors are for dry soil <br />unless otherwise noted.) <br />All 0 to ]0 inches, dark gray (10 YR 4/]) loam, black (10 YR 2/]) moist] <br />moderate very fine granular structure; soft, very friable,lightly <br />sticky and slightly plastic; calcareous; moderately alkaline; clear <br />smooth boundary. (6 to ]2 inches thick.) <br />The typifying pedon for the Big Blue <br />Conservation Service follows: <br />A]2g 30 to ]8 inches, dark gray (]0 YR 9/7) clay, black (30 YR 2/]) moist; <br />common medium distinct olive (5 Y 5/6) mottles; weak medium sut}angular <br />blocky structure that parts to medium granules; slightly har , fri- <br />able, sticky and plastic; peds are extremely hard, very firm; cal- <br />careous; moderately alkaline; clear wavy boundary. (6 to 12 inche8 <br />thick.) <br />B27g 18 to 40 inches, light gray (5 Y 6/1) heavy clay loam, dark gray (5 Y <br />4/]) moist; many large prominent olive (5 Y 5/6) mottles; weak) coarse' <br />subangular block structure; slightly hard, friable, sticky and <br />plastic; peds are very hard, firm; calcareous; moderately alkaline; <br />gradual smooth boundary. (]2 to 30 inches thick.) <br />B22q 40 to 60 inches, light gray (5 Y 6/]) heavy clay loam, gray (5 Y 5/1) <br />moist; many large prominent olive (5 Y 5/6) mottles; massive, very <br />hard, firm, sticky and plastic, mildly alkaline. <br />~.:, <br /> <br /> <br /> <br />This soil is used mainly for irrigated pasture and rangeland. Range- <br />land vegetation consists mainly of Tufted Hairgrass, Slender Wheatgrass, Red <br />Top, sedges and rushes. <br />I <br />I , <br />