Laserfiche WebLink
#87 PITS, 6 TO 60 PERCEI~iT SLOPES <br />Setting <br />Landscape position: hills, terraces, and flood <br />plains <br />Parent material: Kind-alluvium, colluvium, and <br />residuum; Source-mixed <br />Native plant community: Various <br />Elevation: 5,000 to 8,000 feet <br />Mean annual temperature:: 43 to 56 degrees F <br />Mean annual precipitation: 8 to 20 inches <br />Frost-free period:80 to 160 days <br />Composition <br />Characteristics of Pits <br />Slope range: 6 to 60 percent <br />Included Areas <br />Pits and similar inclusions: 95% <br />Contrasting inclusions: 5% <br />Typical Profile <br />Variable <br />Soil Properties <br />Depth class: Shallow to very deep <br />Drainage class: Well to poorly drained <br />Permeability: Slow to rapid <br />Available water capacity: Low to moderate <br />Potential rooting depth: 10 inches or more <br />Flooding: None <br />Runoff: High <br />Hazard of water erosion: Moderate to severe <br />Hazard of wind erosion: Moderate <br />Shrink-swell potential: Moderate to high <br />Included Areas <br />Contrasting Inclusions <br />Areas of undisturbed soils <br />Major Use <br />Aggregate source <br />Major Management Factors <br />Rangeland <br />Suitability: unsuitable <br />Soil-related factors: Depth, slope, & stones <br />Cropland <br />Suitability: Unsuitable <br />Soil-related factors: Depth, slope, stones <br />Building Site Development <br />Suitability: Poor <br />Soil-related factors: Slope, Depth <br />Management considerations: <br />• Depth to bedrock may limit excavations. <br />• The presence of shaltow bedrock may <br />adversely effect septic systems.. <br />• Steepness of slope will increase the hazard <br />of erosion and should be considered in <br />construction. <br />• The design of septic systems should <br />consider the permeability of the soil <br /> <br />1/112006 - 26 - dM° 112 App/ HIN°MARSH SAN0.4TONE <br />