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Custom Soil Resource Report <br /> Logan County, Colorado <br /> 3—Alda loam <br /> Map Unit Setting <br /> National map unit symbol: 35bq <br /> Elevation: 3,500 to 4,100 feet <br /> Mean annual precipitation: 13 to 19 inches <br /> Mean annual air temperature: 48 to 50 degrees F <br /> Frost-free period: 125 to 150 days <br /> Farmland classification: Farmland of statewide importance <br /> Map Unit Composition <br /> Alda and similar soils: 85 percent <br /> Minor components: 15 percent <br /> Estimates are based on observations, descriptions, and transects of the mapunit. <br /> Description of Aida <br /> Setting <br /> Landform: Flood plains, stream terraces <br /> Down-slope shape: Linear <br /> Across-slope shape: Linear <br /> Parent material: Calcareous, stratified loamy alluvium over sandy and gravelly <br /> Typical profile <br /> H1 - 0 to 10 inches: loam <br /> H2- 10 to 34 inches: stratified loamy sand to loam <br /> H3-34 to 60 inches: very gravelly sand <br /> Properties and qualities <br /> Slope: 0 to 1 percent <br /> Depth to restrictive feature: More than 80 inches <br /> Natural drainage class: Somewhat poorly drained <br /> Runoff class: Very low <br /> Capacity of the most limiting layer to transmit water(Ksat): Moderately high to <br /> high (0.57 to 5.95 in/hr) <br /> Depth to water table: About 18 to 36 inches <br /> Frequency of flooding: Occasional <br /> Frequency of ponding: None <br /> Calcium carbonate, maximum in profile: 15 percent <br /> Salinity, maximum in profile: Nonsaline to slightly saline (0.0 to 4.0 mmhos/cm) <br /> Available water storage in profile: Low (about 5.2 inches) <br /> Interpretive groups <br /> Land capability classification (irrigated): 3s <br /> Land capability classification (nonirrigated): 4c <br /> Hydrologic Soil Group: B <br /> Ecological site: Sandy Lowland (R072XY107KS) <br /> Hydric soil rating: No <br /> Minor Components <br /> Mollic fluvaquents <br /> Percent of map unit: 12 percent <br /> Landform: Terraces <br /> 23 <br />