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SOIL MAPPING UNIT NO. 3: Valent Sand - 0-3% slopes. <br />• These are deep, level to gently sloping, excessively-drained sandy soils that formed <br />in wind deposited sands. <br />Typically the surface layer is brown sand approximately 8 inches thick. A <br />transitional layer 10 to 12 inches thick occurs between the surface soil and substratum. <br />The underlying material to a depth of 60 inches is brown sand. <br />Permeability is rapid. Available water capacity is low to moderate. Effective <br />rooting depth is 60 inches or more. Surface runoff is very slow and the water erosion <br />hazard is low. Wind erosion potential is high. <br />Included in this unit are small areas of Osgood soils which comprises ] 0 to 15 <br />percent of the unit. <br />Range Site Name: Deep Sand <br />Soil Capability Classification: Irrigated: IVe <br />Non-irrigated: VIe <br />SOIL MAPPING IJNIT NO. 4: Valent Sand - 3-9% slopes. <br />• This is a deep, excessively-drained soil formed in wind-laid deposits on gently <br />sloping uplands. Slopes range from 3 to 9 percent. <br />Typically the surface layer is brown sand approximately 6 inches thick. A <br />transition layer (AC horizon) of brown sand approximately 8 to 10 inches thick occurs <br />between the surface soil and the substratum. The underlying material, to a depth of 60 <br />inches is brown sand. <br />Permeability is rapid. Available water capacity is low to moderate, Effective <br />rooting depth is 60 inches or more. Surface runoff is low and water erosion hazard is low. <br />Wind erosion potential is very high. <br />Included in this unit are small areas of Osgood soils which make up less than 10 percent of <br />the unit. <br />Range Site Name: Deep Sand Range Site <br />Soil Capability Classification: Irrigated: IVe <br />Non-irrigated: VIe <br /> <br />