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MONIERCO SERIES <br />LOCATION NM+AZ <br />Established Series <br />Rev.CW K/LW H <br />10/90 <br />The Monierco series consists of shallow, well drained moderately slowly permeable soils that formed <br />from alluvium and eolian material derived dominantly from interbedded siltstone and shale. Monierco <br />soils are on knolls and ridges on plateaus and mesas. Slopes range from 0 to 8 percent. The mean <br />annual precipitation is about 8 inches and the mean annual temperature is about 53 degrees F. <br />TAXONOMIC CLASS: Loamy, mixed, mesic, shallow Typic Haplargids <br />TYPICAL PEDON: Monierco fine sandy loam rangeland. <br />(colors are for dry soil unless otherwise noted.) <br />A-0 to 3 inches; light yellowish brown (10YR 6/4) fine sandy loam, brown (10YR 4/3) moist; weak <br />fine granular structure; soft, very friable, slightly sticky and slightly plastic; few very fine roots; few fine <br />pores; mildly alkaline (pH 7.8); clear smooth boundary. (2 to 3 inches thick) <br />Bw--3 to 5 inches; yellowish brown (10YR 5/4) fine sandy loam, dark yellowish brown (10YR 4/4) <br />moist; weak medium subangular blocky structure; soft, very friable, slightly sticky and slightly plastic; <br />common fine and very fine roots; few fine pores; mildly alkaline (pH 7.8); clear smooth boundary. (2 <br />to 4 inches thick) <br />Bt--5 to 10 inches; brown (7.5YR 5/4) clay loam, dark brown (7.5YR 4/4) moist; moderate fine <br />subangular blocky structure; hard, friable, sticky and plastic; thin continuous clay films on faces of peds; <br />common fine and very fine roots; few fine and medium pores; moderately alkaline (pH 7.8); clear wavy <br />boundary. (4 to 6 inches thick) <br />Bk--10 to 16 inches; pale brown (10YR 6/3) clay loam, brown (10YR 5/3) moist; weak fine <br />(Revised June 2008) Attachment 2.04.9-3-27