Laserfiche WebLink
Exhibit I Soils (cont) <br /> Golden Area, Colorado, Parts of Denver, Douglas, Jefferson, and Park <br /> Counties <br /> 45—Flatirons very cobbly sandy loam, 0 to 3 percent slopes <br /> Map Unit Setting <br /> National map unit symbol: jppl <br /> Elevation: 6,000 to 6,600 feet <br /> Mean annual precipitation: 15 to 17 inches <br /> Frost-free period: 126 to 142 days <br /> Farmland classification: Not prime farmland <br /> Map Unit Composition <br /> Flatirons and similar soils: 85 percent <br /> Minor components: 15 percent <br /> Estimates are based on observations, descriptions, and transects of the mapunit. <br /> Description of Flatirons <br /> Setting <br /> Landform:Terraces <br /> Landform position(three-dimensional):Tread <br /> Down-slope shape: Linear <br /> Across-slope shape: Linear <br /> Parent material: Noncalcareous, stony to gravelly, loamy alluvium <br /> Typical profile <br /> H1 -0 to 13 inches: very cobbly sandy loam <br /> H2- 13 to 47 inches: very gravelly clay <br /> H3-47 to 60 inches: very gravelly sandy clay loam <br /> Properties and qualities <br /> Slope:0 to 3 percent <br /> Depth to restrictive feature:More than 80 inches <br /> Drainage class:Well drained <br /> Runoff class: High <br /> Capacity of the most limiting layer to transmit water(Ksat):Moderately low to <br /> moderately high (0.06 to 0,20 in/hr) <br /> Depth to water table:More than 80 Inches <br /> Frequency of flooding:None <br /> Frequency of ponding:None <br /> Available water supply, 0 to 60 inches: Low (about 4.5 inches) <br /> Interpretive groups <br /> Land capability classification (irrigated): None specified <br /> Land capability classification (nonirrigated): 7s <br /> Hydrologic Soil Group: C <br /> Ecological site: R049XY213C0-Cobbly Foothill <br /> Hydric soil rating: No <br /> Minor Components <br /> Urban land <br /> Percent of map unit: 5 percent <br /> Hydric soil rating: No <br /> Lakewood Brick and Tile CO Church Pit M-1979-045 <br /> Amendment 02 29 April 16, 2025 <br />