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Depth to bedrock - 4 to 20 inches. <br />Reaction - Mildly or moderately alkaline calcareous throughout. <br />Particle-size Control Section - Rock Fragments: 0 to 10 percent stones, 0 to 10 percent cobbles and <br />0 to 25 percent pebbles but weighted average is less than 35 percent. <br />Fine Earth Fraction: Sandy loam, fine sandy loam, loam or very fine sandy loam. <br />Clay Content: 5 to 18 percent. <br />Silt Content: 5 to 50 percent. <br />Sand Content: 40 to 90 percent with more than 25 percent fine sand or coarser. <br />A and C horizons - <br />Hue: 2.5Y through 7.5YR <br />Value: 5 to 7 dry, 3 to 5 moist Chroma: 2 to 4 <br />COMPETING SERIES: These are the Gladel, Lazear, Redspear, Rizno, Rizozo, Skyvillage, and <br />Travson series. Gladel soils have continuous genetic subhorizons of secondary calcium carbonate <br />and/or sulfate. Lazear soils have more than 18 percent clay. Redspear, Rizno and Rizozo soils have <br />hues of 5YR or redder. Skyvillage soils are dry in all parts of the soil moisture control section <br />periodically from February 15 to June 30. Travson soils are dry in the soil moisture control section July <br />through September. <br />GEOGRAPHIC SETTING: The Travessilla soils are on hills, cuestas, and mesas with slopes ranging <br />from 0 to 75 percent. Elevation ranges from about 4,700 to 8,000 feet. They formed from calcareous <br />eolian sediments and material weathered from sandstone and shale. Outcrops of sandstone with a <br />minor amount of shale are common on steep slopes. Typically, the average annual precipitation ranges <br />from about 10 to 13 inches, but has ranged higher in the past. The average annual temperature ranges <br />from about 47 to 57 degrees F. Frost-free period is typically 115 to 170 days. Utah has a frost-free <br />period as low as 70 days. <br />GEOGRAPHICALLY ASSOCIATED SOILS: These are the Bernal, Carnero, Hagerman, Quay and <br />Pajarito soils. Bernal and Hagerman soils have argillic horizons. Carnero soils lack bedrock at depths <br />of less than 20 inches. Quay and Pajarito soils lack bedrock within a depth of 40 inches and Quay soils <br />have more than 18 percent clay in the control section and have a prominent zone of lime accumulation. <br />DRAINAGE AND PERMEABILITY: Well drained; medium to rapid runoff; moderate or moderately rapid <br />permeability. <br />(Revised June 2008) Attachment 2.04.9-3-38