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u <br />• <br /> <br />P3E =Fuera-Dargol-Vamer complex, <br />to to a5 percent slopes, stony <br />setting <br />Landform: Mountains <br />Position on landscape: Ridgetops <br />and mountainsides <br />Elevation: 7,500 to 9,000 feet <br />Native plants: Mixed conifers <br />Air temperature: 42 to 46 <br />degrees F <br />Annual precipitation: 17 to 22 <br />inches <br />Frost-free period: 70 to 100 <br />days <br />Composition <br />Fuera soil and similar <br />inclusions: 35 percent <br />Dargol soil and similar <br />inclusions: 30 percent <br />Vamer soil and similar <br />inclusions: 20 percent <br />Contrasting inclusions: 15 <br />percent <br />Typical Profile <br />Fuera <br />Landscape position: North-facing <br />side slopes <br />Surface layer: <br />0 to 2 inches=pine needles <br />2 to 7 inches=cobbly loam <br />Subsurface layer: <br />7 to 11 inches=cobbly clay loam <br />Subsoil: <br />it to 47 inches=cobbly clay <br />Substratum: <br />47 to 60 inches=cobbly clay <br />Dargol <br />Landscape position: Side <br />below ridges <br />Surface layer: <br />0 to 1 inches=partially <br />decomposed and decomposed <br />needles and twigs <br />1 to 6 inches=loam <br />Subsoil: <br />6 to 29 inches=clay <br />Bedrock: <br />29 inches=siltstone <br />slopes <br />Vamer <br />Landscape position: Ridgetops <br />Surface layer: <br />0 to 1 inches=partially <br />decomposed needles and twigs <br />1 to 3 inches=fine sandy loam <br />Subsurface layer: <br />3 to 7 inches=fine sandy loam <br />Subsoil: <br />7 to 16 inches=clay <br />Bedrock: <br />16 inches=hard sandstone <br />Soil Properties and Qualities <br />Fuera <br />Parent material: Residuum, <br />colluvium <br />Depth class: Very deep <br />Drainage class: Well drained <br />Permeability: Slow <br />Available water capacity: High <br />Potential rooting depth: 60 or <br />more inches <br />Runoff: Rapid to very rapid <br />Hazard of water erosion: Very <br />high <br />Hazard of wind erosion: Slight <br />Dargol <br />Parent material: Residuum, <br />alluvium <br />Depth class: Moderately deep <br />Drainage class: Well drained <br />Permeability: Very slow <br />Available water capacity: Low to <br />moderate <br />Potential rooting depth: 20 to <br />40 inches <br />Runoff: Rapid to very rapid <br />Hazard of water erosion: Very <br />high <br />Hazard of wind erosion: Slight <br />Vamer <br />Parent material: Residuum <br />pine Depth class: Shallow <br />Drainage class: Well drained <br />Permeability: Slow <br />Available water capacity: Very <br />low <br />Potential rooting depth: 10 to <br />20 inches <br />Runoff: Rapid <br />S-1-12 <br />