10521 19TH AVE SE 2022-05-23 - Laserfiche WebLink

u Silver Lake Plaza USDA Soil Map Legend i—Alderwood gravelly sandy loam, 0 to 8 percent slopes Map Unit Setting • National map unit symbol: 2t625 • Elevation: 50 to 800 feet • Mean annual precipitation: 25 to 60 inches • Mean annual air temperature: 48 to 52 degrees F • Frost -free period: 160 to 240 days • Farmland classification: Prime farmland if irrigated Map Unit Composition • 0 Alderwood and similar soils: 85 percent • Minor components: 15 percent • Estimates are based on observations, descriptions, and transects of the mapunit. Description of Alderwood Setting • Landform: Ridges, hills • Landform position (two-dimensional): Summit Landform position (three-dimensional): Crest, talf • Down -slope shape: Linear, convex . Across -slope shape: Convex • Parent material: Glacial drift and/or glacial outwash over dense glaciomarine deposits Typical profile • A - 0 to 7 inches: gravelly sandy loam • Bwl - 7 to 21 inches: very gravelly sandy loam • Bw2 - 21 to 30 inches: very gravelly sandy loam • Bg - 30 to 35 inches: very gravelly sandy loam • 2Cd1 - 35 to 43 inches: very gravelly sandy loam • 2Cd2 - 43 to 59 inches: very gravelly sandy loam Properties and qualities • Slope: 0 to 8 percent Depth to restrictive feature: 20 to 39 inches to densic material • Natural drainage class: Moderately well 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: About 18 to 37 inches • Frequency of flooding: None « • Frequency of ponding: None • Available water storage in profile: Very low (about 2.7 inches) Interpretive groups • Land capability classification (irrigated): None specified • Land capability classification (nonirrigated): 4s • Hydrologic Soil Group: B • Other vegetative classification: Limited Depth Soils (G002XS301WA), Limited Depth Soils (G002XF303WA), Limited Depth Soils (G002XN302WA) • Hydric soil rating: No 0 WESTERN ENGINEERS, INC. 48 PROJECT: 15-1415-A