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z <br />12/92 <br />85--Giarch fine sandy loam, O to 3_percent slopes. This <br />very deep, well drained and moderately well drained soil is <br />on terraces. It formed in alluvium derived from various <br />sources. Elevation is 6,400 to t,, 400 feet. The average <br />annual precipitation is, 1~ try 15 inches, the average annual <br />air temperature is 42 to 45 degrees F., and the average <br />frost-free Fier i od i s, 75. to• 95 days. <br />Typically, the surface layer is very pale brown fine <br />sandy Ioarn 2 inches thick. Tt~e upper 1G inches of the <br />subsoil is very strongly alkaline yellowish brown and light <br />yellowish brown clay Ioarn. The lower part to a depth of 25 <br />inches is very strongly alkaline very pale trrown li~am. The <br />upper 25 inches of the sutrstraturn is very strongly alkaline <br />very pa I e trr~~wn sandy c I ay I oarn. The r~e::t part to a depth <br />r,f F~ inches is very strongly alkaline IigF~t yellowish brown <br />c I ay t earn. The I ewer- part t~~ a depth cif c.~ i aches .;r rnc~re <br />is very strongly alkaline pale yell~~w sand. <br />Included in this unit are small areas .;f Tiswor•th soils, <br />Batt I ernent so i I s, and C:owestg I en sc. i I s. <br />Fer-meatrility of this Giarch soil is very slow. <br />Available water capacity is moderate. Effective rooting <br /> depth is b0 inches or more. Runoff is medium, and the <br /> hazard of water erasion is slight. The hazard of soil <br /> blowing i s high. A seasonal high water table is at a depth <br /> of 4 to b feet in April through June. The hazard of <br /> flooding is rare. <br />G~ <br /> <br /> <br />