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Web Soil Survey <br />Information J I <br />Map Unit Description <br />Kit Carson County, Colorado Version date: 1/28/2008 1:43:46 PM <br />15-Colby silt loam, i to 3 percent slopes <br />Map Unit setting <br />Elevation: 4,300 to 5,200 feet <br />Mean annual precipitation: 14 to 16 inches <br />Mean annual air temperature: 46 to 48 degrees F <br />Frost-free period: 135 to 210 days <br />Map Unit Composition <br />Colby and similar soils: 85 percent <br />Minor components: 1 percent <br />Description of Colby <br />Setting <br />Landform: Hillslopes <br />Down-slope shape: Linear, convex <br />Across-slope shape: Linear, convex <br />Parent material: Calcareous fine-silty loess <br />Properties and qualities <br />Slope: 1 to 3 percent <br />Depth to restrictive feature: More than 80 inches <br />Drainage class: Well drained <br />Capacity of the most /inviting layer to transmit water (Ksat): Moderately high to high <br />(0.60 to 2.00 in/hr) <br />Depth to water tab/e: More than 80 inches <br />Frequency of flooding: None <br />Frequency of ponding: None <br />Calcium carbonate, maximum content: 10 percent <br />Available water capacity: High (about 10.8 inches) <br />Interpretive groups <br />land capability classification (irrigated): 3e <br />Land capability (nonirrigated): 3e <br />Ecological site: Loamy Plains (R067BY002C0) <br />Typical profile <br />0 to 4 inches: Silt loam <br />4 to 60 inches: Silt loam <br />Minor Components <br />Lodgepole <br />Percent of map unit: 1 percent <br />Landform: Depressions <br />Down-slope shape: Concave <br />Across-s/o a sha e: Concave <br />Close <br />http://websoilsurvey.nres.usda. gov <br />Page 1 of 1 <br />03/04/2008 <br />ebSoilS <br />aspx <br />