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1 <br />MAPPING UNIT DESCRIPTION <br />Delta-Montrose Surey Area Oc6 <br />Mapping Unit: Orchard Clay Loam <br />Posiiion: On high terraces <br />Drainage: Well drained, unless influenced by foreign water sources. <br />Slope: 2 to 5 percent <br />Soil Profile: Texture <br />Clay Loam <br />Gravelly Loam <br />Very gravelly Loam <br />Thickness Permeability <br />0-19" 0.75-2.0"/hr. moderate <br />19-46" 2.5-3.0"/fir. Moderately rapid <br />46-60" Not estimated <br />Underlying material is very gravelly loam to 60" or more. <br />Available water capacity for the 60" rooting depth is 6.64". <br />Erosion Hazard: Moderate from wind and water. <br />Capability Unit: VIe-1 Non-irrigated, IIIe-1 Irrigated. <br />Range Site: Clayey salt desert <br />Other Features: <br />Soil reaction 7.4-7.8 to 7.9-8.4 pH mildly to moderately alkaline. <br />Low salinity 2.0-4.0 Mmfios/cm <br />Low dispersion <br />Moderate to low shrink-swell potential <br />Suitability for: <br />Topsoil <br />Sand <br />Gravel <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 is washed and screened. <br />Good <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 />