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Custom Soil Resource Report <br /> 18—Critchell gravelly sandy loam, 3 to 9 percent slopes <br /> Map Unit Setting <br /> Elevation: 5,200 to 6,500 feet <br /> Mean annual precipitation: 13 to 17 inches <br /> Frost-free period: 126 to 142 days <br /> Map Unit Composition <br /> Critchell and similar soils: 100 percent <br /> Description of Critchell <br /> Setting <br /> Landform: Fans, terraces <br /> Down-slope shape: Linear <br /> Across-slope shape: Linear <br /> Parent material: Alluvium derived from sedimentary rock <br /> Typical profile <br /> H1 -0 to 15 inches: gravelly sandy loam <br /> H2- 15 to 64 inches: gravelly clay loam, gravelly sandy clay loam <br /> H2- 15 to 64 inches: gravelly loam, gravelly sandy clay loam, gravelly sandy loam <br /> H3- 64 to 89 inches: gravelly coarse sandy loam, gravelly sandy loam <br /> H3- 64 to 89 inches: <br /> H3- 64 to 89 inches: <br /> H4-89 to 152 inches: <br /> H4- 89 to 152 inches: <br /> Properties and qualities <br /> Slope: 3 to 9 percent <br /> Depth to restrictive feature: More than 80 inches <br /> Natural drainage class: Well drained <br /> Capacity of the most limiting layer to transmit water(Ksat): Moderately high to high <br /> (0.20 to 2.00 in/hr) <br /> Depth to water table: More than 80 inches <br /> Frequency of flooding: None <br /> Frequency of ponding: None <br /> Calcium carbonate, maximum in profile: 2 percent <br /> Salinity, maximum in profile: Nonsaline (0.0 to 2.0 mmhos/cm) <br /> Available water storage in profile: Very high (about 13.0 inches) <br /> Interpretive groups <br /> Farmland classification: Prime farmland if irrigated <br /> Land capability classification (irrigated): 4e <br /> Land capability classification (nonirrigated): 4e <br /> Hydrologic Soil Group: B <br /> Ecological site: Gravelly Foothill (R048AY214CO) <br /> 20 <br />