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Map Unit Description. Haverson loam, 0 to 3 percent slopes -- -Weld County, Colorado, Northern <br />Part <br />Weld County, Colorado, Northern Part <br />29— Haverson loam, 0 to 3 percent slopes <br />Map Unit Setting <br />Elevation: 3,500 to 6,000 feet <br />Mean annual precipitation: 12 to 17 inches <br />Mean annual air temperature: 46 to 54 degrees F <br />Frost -free period. 125 to 180 days <br />Map Unit Composition <br />Haverson and similar soils: 90 percent <br />Minor components: 10 percent <br />Description of Haverson <br />Setting <br />Landform: Flood plains, stream terraces <br />Down -slope shape: Linear <br />Across -slope shape: Linear <br />Parent material: Stratified, calcareous loamy alluvium <br />Properties and qualities <br />Slope: 0 to 3 percent <br />Depth to restrictive feature: More than 80 inches <br />Drainage class: Well drained <br />Capacity of the most limiting layer to transmit water <br />(Ksat): Moderately high to high (0.57 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 content: 15 percent <br />Gypsum, maximum content: 1 percent <br />Maximum salinity: Nonsaline to slightly saline (0.0 to 8.0 mmhos /cm) <br />Available water capacity: High (about 9.6 inches) <br />Interpretive groups <br />Farmland classification: Prime farmland if irrigated and either <br />protected from flooding or not frequently flooded during the <br />growing season <br />Land capability (nonirrigated): 4c <br />Hydrologic Soil Group: B <br />Ecological site: Overflow (R067BY036CO) <br />Other vegetative classification: OVERFLOW (067BY036CO) <br />Typical profile <br />0 to 12 inches: Loam <br />12 to 60 inches: Stratified sandy loam to loam <br />Minor Components <br />Nunn <br />Percent of map unit: 6 percent <br />USDA Natural Resources Web Sod Survey 11/20/2013 <br />Conservation Service National Cooperative Sod Survey Page 1 of 2 <br />