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Home My WebLink About20121114.tiff • Weld County, Colorado, Southern Part • 39—Nunn loam, 0 to 1 percent slopes Map Unit Setting • Elevation: 4,550 to 5,000 feet • Mean annual precipitation: 12 to 18 inches • Mean annual air temperature: 46 to 54 degrees F • Frost-free period: 115 to 180 days Map Unit Composition • Nunn and similar soils: 85 percent • Minor components: 15 percent Description of Nunn Setting • Landform: Terraces • Down-slope shape: Linear • Across-slope shape: Linear • Parent material: Mixed alluvium • Properties and qualities • Slope: 0 to 1 percent • Depth to restrictive feature: More than 80 inches • Drainage class: Well drained • Capacity of the most limiting layer to transmit water (Ksat): Moderately low to moderately high (0.06 to 0.20 in/hr) • Depth to water table: More than 80 inches • Frequency of flooding: None • Frequency of ponding: None • Calcium carbonate, maximum content: 15 percent • Maximum salinity: Nonsaline (0.0 to 2.0 mmhos/cm) • Available water capacity: Moderate (about 8.9 inches) Interpretive groups • Land capability classification (irrigated): 2e • Ecological site: Loamy Plains (R067BY002CO) Typical profile • 0 to 9 inches: Loam • • 9 to 29 inches: Clay loam 2012-1114 • 29 to 60 inches: Sandy loam • Minor Components Haverson • Percent of map unit: 10 percent Heldt • Percent of map unit: 5 percent • 0 • Weld County, Colorado, Southern Part 61—Tassel fine sandy loam, 5 to 20 percent slopes Map Unit Setting • Elevation: 4,850 to 5,200 feet • Mean annual precipitation: 12 to 19 inches • Mean annual air temperature: 46 to 52 degrees F • Frost-free period: 110 to 165 days Map Unit Composition • Tassel and similar soils: 85 percent • Minor components: 15 percent Description of Tassel Setting • Landform: Breaks • Down-slope shape: Linear • Across-slope shape: Linear • Parent material: Residuum weathered from sandstone • Properties and qualities • Slope: 5 to 20 percent • Depth to restrictive feature: 10 to 20 inches to paralithic bedrock • Drainage class: Well drained • Capacity of the most limiting layer to transmit water(Ksat): Moderately low to moderately high (0.06 to 0.20 in/hr) • Depth to water table: More than 80 inches • Frequency of flooding: None • Frequency of ponding: None • Calcium carbonate, maximum content: 10 percent • Available water capacity: Very low (about 2.0 inches) Interpretive groups • Land capability classification (irrigated): 6e • Land capability (nonirrigated): 6e • Ecological site: Sandstone Breaks (R067BY056CO) Typical profile • 0 to 11 inches: Fine sandy loam • ▪ 11 to 15 inches: Very fine sandy loam • • 15 to 20 inches: Weathered bedrock • Minor Components Otero • Percent of map unit: 8 percent Terry • Percent of map unit: 7 percent • • Hello