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M1A = Mesa loam, 0 to 2 gercent slopes <br />Other Symbols (ocA} <br />Setting <br />Landforms: mesa tops <br />Dominant native plants: galleta, Indian ricegrass, needleandthread, <br />blue grama <br />Elevation: 4,900 to 6,100 feet <br />Mean annual air temperature: 49 to:52.degrees F <br />Mean annual precipitation: 7 to 10 inches <br />Frost-free period: 130 to 155 days <br />soil Characteristics <br />Parent material: alluvium from mixed sources <br />Typical profile: <br />0 to 4 inches = pinkis <br />4 to 14 inches = light <br />14 to 20 inches = pink <br />20 to 35 inches = pink <br />35 to 60 inches = very <br />gray loam <br />brown clay loam <br />clay loam <br />very gravelly loam <br />pale brown extremely gravelly loam <br />Depth class: very deep {>60") <br />Drainage class: well drained <br />Permeability: 0-4 inches = moderate (0.6-2.0"/hr) <br />4-20 inches = moderately slow {0.2-0.6"/hr} <br />20-60 inches = moderate (0.6-2.0"/hr) <br />Available water capacity: moderate (6-9") <br />Potential rooting depth: 60 or more inches <br />Soil reaction (pH): 0-14 inches = 7.4-8.4 <br />14-60 inches = 7.9-9.0 <br />Salinity: 0-4.mmhos/cm <br />T Factor: 5 <br />HEL: Wind = 3; Water = 3 <br />Hydric: No Hyric inclusion: No <br />Surface runoff: very slow to slow . <br />Hazard of water erosion: low <br />Shrink-swell potentia3: moderate <br />Mass movement potentia3: low <br />Composition <br />Mesa soil and similar soils: 90 percent <br />Contrasting inclusions: 10 percent <br />Contrasting Inclusions <br />Five percent Fruitland soils <br />Five percent Turzo soils <br />