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<br />• <br /> <br />32 to 40 inches; brown and yello~rish brown clay loam <br />40 inches; weathered sandstone and shale <br />The Zau soil has a pH of 7.2 and conductivity of less than 2.0. It is <br />suitable for use as topsoil in reclamation of the site. <br />The soils of this complex are used primarily for range and wildlife. <br />The meadow area in the valley bottom is the Biq Hlue Clay loam on <br />. {i~ <br />about one percent slope. It is classified as a fine, montmorillontic, '.fi•` <br />::~. <br />(calcareous), frigid Fluvaquentic Haplaquoll. It has a high watertable most of xi. <br />the year that rises to within 8 inches of the surface. Atypical pedon of 81 ~`"~ <br />9~ <br />Blue follows: ~~ i . -;e{: ,. <br />0 to ]4 inches; very dark gray clay loam ~ , ~~`r~ <br />f , <br />~'~+.. <br />4 to ]0 inches; gray silty clay loam ~ ~' ~ <br />f,. <br />.(•tMa <br />]0 to 60 inches; gray silty clay. This layer has glayed colors !w, <br />resulting from poor drainage. ' <br />ii <br />The Big Blue soil has a pH of 8.0 in the surface and is suitable for <br />plant growth. <br />Zau Series <br />The Zau series consists of soils that are fine, mixed Typic <br />Argiborolls. They are moderately deep, well drained soils that formed in <br />residum from sandstone and shale. Zau soils occur on high mesas and mountain <br />slopes and have slopes of 3 to 25 percent. The average annual precipitation is <br />about 20 to 22 inches. The average annual soil temperature ranges from 42 to <br />47 degrees F., and average summer soil temperature ranges from 53 to 57 degrees <br />F. <br />A typical pedon of Zau stony loam, 9 to 25 percent slopes, is located <br />~4 <br />approximately ]75 feet east and ]90 feet south of the northwest corner of • <br />Section 22, Township 35 North, Range 1] West. , <br />and bark. <br />Oi--4 to 2 inches; undecomposed organic material consisting of leaves <br />