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N fr, f I <br />5y+ Map Unit Description <br />Douglas - Plateau Area, Colorado, Parts of Garfield and Mesa Counties Version <br />date: 2/1/2008 9:53 :18 AM <br />70- 1.3ffens loam, 1 to 8 percent slopes <br />Map Unit Setting <br />Elevation: 4,800 to 5,100 feet <br />Mean annual precipitation: 7 to 10 inches <br />Mean annual air temperature: 52 to 56 degrees F <br />Frost -free period: 160 to 175 days <br />Map Untt Composition <br />Utter* and similar sails: 85 percent <br />Description of linens <br />Setting <br />Landform: Terraces. mesas <br />Landform position (three - dimensional): Tread <br />Down -slope shape: Linear <br />Across -slope shape: Linear <br />Parent material: Mixed material alluvium <br />Properties and qualities <br />Slope: 1 to 8 percent <br />Depth to restrictive feature: More than 80 inches <br />Drainage class: Well drained <br />Capacity of the most limiting layer to tran snit water (lisat): Moderately high ( 0.20 to <br />0.60 in /hr) <br />Depth to water table: More than 80 inches <br />Frequency of flooding: None <br />Frequency ofponding: None <br />Calcium carbonate, maximum content: 30 percent <br />Gypsum, maximum content: 2 percent <br />Maximum salinity: Slightly saline to moderately saline, (8.0 to 16.0 minims/cm) <br />Sodium adsorption ratio, maximum: 60.0 <br />Available water capacity: Moderate {about 6.5 inches) <br />Interpretive groups <br />Land capability (nonirrigatert): 7s <br />Ecological site: Salt Hats (R034XY262C0) <br />Typical profile <br />0 to S inches: Loam <br />5 to 20 inches: Loam <br />20 to 27 inches: Loam <br />27 to 60 inches: Sandy loam <br />http : / /websoilsurvey.nres.usda.gov /app /WebSoilSurvey.aspx 4/9/2008 <br />