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Custom Soil Resource Report <br /> Absence of an entry indicates that the data were not estimated. The asterisk'*' denotes the representative texture; other <br /> possible textures follow the dash. The criteria for determining the hydrologic soil group for individual soil components is <br /> found in the National Engineering Handbook, Chapter 7 issued May 2007(http://directives.sc.egov.usda.gov/ <br /> OpenNonWebContent.aspx?content=17757.wba). Three values are provided to identify the expected Low(L), <br /> Representative Value (R), and High (H). <br /> Engineering Properties—Grand County Area,Colorado <br /> Map unit symbol and Pet.of Hydrolo Depth USDA texture Classification Pct Fragments Percentage passing sieve number— Liquid Plasticit <br /> soil name map gic limit y index <br /> unit group Unified AASHTO >10 3-10 4 10 40 200 <br /> inches inches <br /> In L-R-H L-R-H L-R-H L-R-H L-R-H L-R-H L-R-H L-R-H <br /> 66—Quander stony <br /> loam, 15 to 55 <br /> percent slopes <br /> Quander 90 B 0-10 Stony loam CL,SC A-4 10-28- 10-20- 75-83- 70-78- 60-70- 45-55- 25-28 5-8-10 <br /> sc-SM 45 30 90 85 80 65 -30 <br /> 10-60 Very stony loam, GC,SC A-2 5-28-50 35-45- 45-68- 40-63- 30-55- 15-40- 25-30 5-10-15 <br /> very cobbly loam, 55 90 85 80 65 -35 <br /> very cobbly sandy <br /> clay loam <br /> 93—Youga loam,1 to <br /> 6 percent slopes <br /> r <br /> Youga 85 C 0-6 Loam ML,SC, A-7-5,A-6 0-0-0 0-0-0 78-92-1 73-90-1 63-80- 46-60- 34-44 12-14-1 <br /> MH 00 00 94 72 -55 7 <br /> 6-14 Loam,clay loam ML,CL, A-7-6, 0-0-0 0-0-0 79-92-1 74-91-1 64-82- 50-64- 33-42 12-15-1 <br /> MH A-6, 00 00 95 75 -50 8 <br /> A-7-5 <br /> 14-55 _TClay loam,gravelly CL,SC iA-7-6,A-6 0-0-0 0-1-15 78-94-1 73-93-1 56-81- 42-63- 31-43 13-21-2 <br /> loam,gravelly 00 00 91 72 48 5 <br /> sandy clay loam <br /> 55-79 Clay loam,gravelly CL,SC A-6,A-7-6 0-0-0 0-1-14 80-95-1 75-93-1 61-80- 46-61- 34-38 16-19-2 <br /> loam,gravelly 00 00 90 70 -43 3 <br /> sandy clay loam <br />