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Map Unit Description Cascajo gravelly sandy loam,5 to 20 percent slopes---Weld County, <br /> Colorado, Northern Part <br /> Weld County, Colorado, Northern Part <br /> 20—Cascajo gravelly sandy loam, 5 to 20 percent slopes <br /> Map Unit Setting <br /> Elevation:4,000 to 5,000 feet <br /> Mean annual precipitation: 11 to 13 inches <br /> Mean annual air temperature: 52 to 54 degrees F <br /> Frost-free period: 120 to 160 days <br /> Map Unit Composition <br /> Cascajo and similar soils: 85 percent <br /> Minor components: 15 percent <br /> Description of Cascajo <br /> Setting <br /> Landform: Breaks, ridges <br /> Down-slope shape: Linear <br /> Across-slope shape: Linear <br /> Parent material: Calcareous gravelly alluvium <br /> Properties and qualities <br /> Slope: 5 to 20 percent <br /> Depth to restrictive feature: More than 80 inches <br /> Drainage class: Excessively drained <br /> Capacity of the most limiting layer to transmit water(Ksat): High(2.00 <br /> to 6.00 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 content: 25 percent <br /> Maximum salinity. Nonsaline (0.0 to 2.0 mmhos/cm) <br /> Available water capacity: Low(about 3.9 inches) <br /> Interpretive groups <br /> Farmland classification: Not prime farmland <br /> Land capability(nonirrigated): 7s <br /> Hydrologic Soil Group:A <br /> Ecological site: Gravel Breaks(R067BY063CO) <br /> Typical profile <br /> 0 to 3 inches: Gravelly sandy loam <br /> 3 to 24 inches:Very gravelly loamy sand <br /> 24 to 60 inches:Very gravelly sand <br /> Minor Components <br /> Stoneham <br /> Percent of map unit: 14 percent <br /> USDA Natural Resources Web Soil Survey 11/20/2013 <br /> Conservation Service National Cooperative Soil Survey Page 1 of 2 <br />