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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 /> Open NonWebContent.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 Pct.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 PO 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 /> �27-1)ahlquist-Stunner <br /> very cobbly loams,3 <br /> to 15 percent slopes <br /> Dahlquist 50;B 0-6 Very cobbly loam GC-GM, A-2,A-4 0-10-20 30-40- 45-68- 40-63- 35-58- 25-45- 25-28 5-8-10 <br /> SC-SM 50 90 85 80 65 -30 <br /> 6-30 Extremely cobbly GC,GC- A-1,A-2 0-8-15 15-43- 45-68- 40-63- 30-53- 15-30- 25-30 i 5-10-15 <br /> i sandy clay loam, GM, 70 90 85 75 45 -35 <br /> to very cobbly sandy sC,sC- <br /> clay loam SM <br /> 30-60 Extremely cobbly GM,GP- A-1 0-13-25 55-68- 20-38- 20-35- 10-25- 5-20-35 20-23 NP-3-5 <br /> loam,extremely GM 80 55 50 40 -25 <br /> cobbly loamy <br /> sand,extremely <br /> cobbly sandy loam <br /> Stunner 40 C 0-6 Very cobbly loam CL,CL- A-4 0-5-10 35-48- 45-68- 40-63- 35-58- 25-45- 25-28 5-8-10 <br /> ML,GC 60 90 85 80 65 -30 <br /> 6-22 Clay loam CL A-6 0-3-5 0-3-5 85-93-1 80-90-1 75-88-1 60-70- 30-33 10-13-1 <br /> 00 00 00 80 -35 5 <br /> 22-60 Loam,sandy Gay CL-ML, A-4 0-3-5 0-5-10 85-93-1 75-88-1 65-80- 45 60- 25-28 5-8-10 <br /> — — loam--- SC-SM 00 00 95 75 -30 -_J <br />