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~t <br />MAPPING UNIT DESCRIPTION <br />Delta-Montrose Survey Area OcA <br />Mapping Unit: Orchard Clay Loam <br />Position: High terraces and old alluvial fans <br />Drainage: Well drained, unless influenced 6y foreign water sources. <br />Slope: O to 2 percent <br />Soil Profile: Texture <br />Clay Loam <br />Gravelly Clay Loam <br />Very Gravelly Loam <br />Underlying material is very gravelly <br />Available water capacity for the 60" <br />Erosion Hazard: Moderate from wind <br />Thickness Permeability <br />0-19" 0.75-2.0"/hr. moderate <br />19-46" 2.5-3.0"/hr. moderately rapid <br />46-60" Not estimated <br />loam to 60" or more. <br />rooting depth is 6.64". <br />jnd water. <br />Capability Unit: VIe-1 Non-irrigated, IIe-1 irrigated. <br />Range Site: Loamy sal t. desert <br />Other Features: <br />Subject to droutiness due to gravelly nature of the sub soil. <br />Soil reaction 7.9-7.8 pH mildly to moderate alkaline. <br />Low salinity 2.0-4.0 Mmhos/cm <br />Low dispersion <br />Shrink-swell potential is moderate to low. <br />Suitability for: <br />Top 5011 <br />Sand <br />Roadfill <br />Dikes, diversion <br />Embankment <br />Reservoir Area <br />Irrigation <br />Degree of limitation for: <br />Filter fields <br />Homesites <br />Fair <br />Fair if washed and screened. <br />Good, stony <br />Good stability, slow permeability if compacted. <br />Good stability, slow permeability if compacted. <br />Poor, subject to high seepage. <br />Moderately well suited. <br />Slight, normally well drained. <br />Slight <br />