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GEOCHECW - PHYSICAL SETTING SOURCE SUMMARY <br /> Soil Layer Information <br /> Boundary Classification Saturated <br /> hydraulic <br /> Layer Upper Lower Soil Texture Class AASHTO Group Unified Soil conductivity Soil Reaction <br /> micro m/sec (pH) <br /> 1 0 inches 5 inches variable Not reported Not reported Max: 141.14 Max: Min: <br /> Min: 1.41 <br /> 2 5 inches 59 inches stratified very Granular COARSE-GRAINED Max: 141.14 Max:7.8 <br /> gravelly sand materials(35 SOILIS,Gravels, Min:42 34 Min:6.6 <br /> to sandy loam pct.or less Clean Gravels, <br /> passing No. Well-graded <br /> 200),Silty,or gravel. <br /> Clayey Gravel COARSE-GRAINED <br /> and Sand. SOILS,Gravels, <br /> Gravels with <br /> fines,Silty <br /> Gravel. <br /> Soil Map ID: 6 <br /> Soil Component Name: Niwot <br /> Soil Surface Texture: loam <br /> Hydrologic Group: Class C-Slow infiltration rates.Soils with layers impeding downward <br /> movement of water,or soils with moderately fine or fine textures. <br /> Soil Drainage Class: Poorly drained <br /> Hydric Status: Partially hydric <br /> Corrosion Potential-Uncoated Steel: High <br /> Depth to Bedrock Min: >0 inches <br /> Depth to Watertable Min: >69 inches <br /> Soil Layer Information <br /> Boundary Classification Saturated <br /> hydraulic <br /> Layer Upper Lower Soil Texture Class AASHTO Group Unified Soil conductivity Soil Reaction <br /> micro m/sec (pH) <br /> 1 0 inches 14 inches loam Silt-Clay FINE-GRAINED Max:42 34 Max:7.8 <br /> Materials(more SOILS,Silts and Min:4.23 Min:6.6 <br /> than 35 pct. Clays(liquid <br /> passing No. limit less than <br /> 200),Silty 50%),Lean Clay. <br /> Soils. FINE-GRAINED <br /> SOILS,Silts and <br /> Clays(liquid <br /> limit less than <br /> 50%),silt. <br /> TC5377136.2s Page 8 <br />