Map Unit Description: Steiwer loam, 20 to 50 percent slopes---Lane County Area, Oregon <br />Captial Hill - Tentative PUD <br />Lane County Area, Oregon <br />125F-Steiwer loam, 20 to 50 percent slopes <br />Map Unit Setting <br />National map unit symbol: 234h <br />Elevation: 300 to 650 feet <br />Mean annual precipitation: 40 to 55 inches <br />Mean annual air temperature: 52 to 54 degrees F <br />Frost-free period: 165 to 210 days <br />Farmland classification: Not prime farmland <br />Map Unit Composition <br />Steiwer and similar soils: 85 percent <br />Estimates are based on observations, descriptions, and transects of <br />the mapunit. <br />Description of Steiwer <br />Setting <br />Landform: Low hills <br />Landform position (two-dimensional): Summit, shoulder, backslope <br />Landform position (three-dimensional): Interfluve, nose slope, side <br />slope <br />Down-slope shape: Linear <br />Across-slope shape: Linear <br />Parent material: Colluvium and residuum derived from igneous or <br />sedimentary rock <br />Typical profile <br />H1 - 0 to 16 inches: loam <br />H2 - 16 to 29 inches: clay loam <br />H3 - 29 to 39 inches: weathered bedrock <br />Properties and qualities <br />Slope: 20 to 50 percent <br />Depth to restrictive feature: 20 to 40 inches to paralithic bedrock <br />Natural drainage class: Well drained <br />Capacity of the most limiting layer to transmit water (Ksat): <br />Moderately high (0.20 to 0.57 in/hr) <br />Depth to water table: More than 80 inches <br />Frequency of flooding: None <br />Frequency of ponding: None <br />Available water storage in profile: Low (about 5.5 inches) <br />Interpretive groups <br />Land capability classification (irrigated): None specified <br />Land capability classification (nonirrigated): 6e <br />Hydrologic Soil Group: C <br />USDA Natural Resources Web Soil Survey 1/6/2017 <br />Conservation Service National Cooperative Soil Survey Page 1 of 2 <br />