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Sanders Gravel Pit <br /> Exhibit B-2:Soil Resources Report and Map <br /> Custom Soil Resource Report <br /> Mean annual air temperature: 37 to 40 degrees F <br /> Frost-free period: 30 to 70 days <br /> Farmland classification: Not prime farmland <br /> Map Unit Composition <br /> Gateview, very bouldery, and similar soils: 80 percent <br /> Minor components:20 percent <br /> Estimates are based on observations, descriptions, and transects of the mapunit. <br /> Description of Gateview,Very Bouldery <br /> Setting <br /> Landform: Mountain slopes <br /> Landform position(three-dimensional): Mountainbase <br /> Down-slope shape: Linear <br /> Across-slope shape: Linear <br /> Parent material:Colluvium derived from igneous and sedimentary rock <br /> Typical profile <br /> Al -0 to 1 inches: cobbly loam <br /> A2- 1 to 14 inches: bouldery loam <br /> AC1- 14 to 18 inches: very stony loam <br /> AC2- 18 to 33 inches: very stony sandy loam <br /> C-33 to 60 inches: very stony sandy loam <br /> Properties and qualities <br /> Slope: 30 to 75 percent <br /> Surface area covered with cobbles, stones or boulders:2.0 percent <br /> Depth to restrictive feature: More than 80 inches <br /> Drainage class:Well drained <br /> Runoff class: Very high <br /> Capacity of the most limiting layer to transmit water(Ksat): Moderately high to high <br /> (0.71 to 2.13 in/hr) <br /> Depth to water table: More than 80 inches <br /> Frequency.offlooding: None <br /> Frequency of ponding: None <br /> Maximum salinity: Nonsaline to very slightly saline(0.0 to 2.0 mmhos/cm) <br /> Available water capacity: Low(about 5.6 inches) <br /> Interpretive groups <br /> Land capability classification(irrigated): 8 <br /> Land capability classification (nonirrigated): 8 <br /> Hydrologic Soil Group: B <br /> Ecological site: F048AY449CO <br /> Hydric soil rating: No <br /> Minor Components <br /> Coutis <br /> Percent of map unit. 10 percent <br /> Landform: Mountain slopes <br /> Landform position(three-dimensional): Mountainbase <br /> Down-slope shape: Linear <br /> Across-slope shape:Concave <br /> Ecological site: R048AY238CO <br /> Hydric soil rating: No <br /> 22 <br />