2014-01-27_PERMIT FILE - M2013068

Home Browse Search

Custom Soil Resource Report Arapaho - Roosevelt National Forest Area, Colorado, Parts of Boulder, Clear Creek, Gilpin, Grand, Park and Larimer Counties 27038— Cypher - Ratake families complex, 5 to 40 percent slopes Map Unit Setting Elevation: 6,500 to 8,500 feet Mean annual precipitation: 16 to 25 inches Mean annual air temperature: 45 to 48 degrees F Frost -free period: 70 to 90 days Map Unit Composition Cypher family and similar soils: 40 percent Ratake family and similar soils: 40 percent Description of Ratake Family Setting Landform: Mountain slopes Parent material: Colluvium and /or residuum derived from igneous and metamorphic rock Properties and qualities Slope: 5 to 40 percent Depth to restrictive feature: 10 to 20 inches to paralithic bedrock Drainage class: Somewhat excessively drained Capacity of the most limiting layer to transmit water (Ksat): Very low to moderately low (0.00 to 0.06 in /hr) Depth to water table: More than 80 inches Frequency of flooding: None Frequency of ponding: None Available water capacity: Very low (about 1.2 inches) Interpretive groups Farmland classification: Not prime farmland Hydrologic Soil Group: D Other vegetative classification: Ponderosa pine -Rocky mountain juniper /true mountain mahogany (PIPO- JUSC2 /CEMO2) (C1115), Ponderosa pine /true mountain mahogany (PIPO /CEMO2) (C1107) Typical profile 0 to 8 inches: Very gravelly sandy loam 8 to 18 inches: Very gravelly sandy loam 18 to 28 inches: Bedrock Description of Cypher Family Setting Landform: Mountain slopes Parent material: Residuum and /or slope alluvium derived from igneous and metamorphic rock Properties and qualities Slope: 5 to 40 percent Depth to restrictive feature: 4 to 20 inches to lithic bedrock Drainage class: Somewhat excessively drained 12 8