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O <br /> ,b Engineering Properties—Ridgway Area,Colorado,Parts of Delta,Gunnison,Montrose,and Ourey Counties <br /> h. <br /> (V <br /> Engineering Properties—Ridgway Area,Colorado,Parts of Delta,Gunnison,Montrose,and Ouray Counties <br /> 00 <br /> Map unit symbol and soil Depth USDA texture Classification Fragments Percentage passing sieve number— Liquid Plasticity <br /> name limit Index <br /> Unified AASNTO >10 3.10 4 10 40 200 <br /> Inches inches <br /> In Pd Pcf Pct <br /> 26-60 Extremely gravelly loamy SC-SM, A-2-4, 0 0-55 20-100 20-100 10-85 2-55 20-25 NP-5 <br /> sand,sand,very cobbly SM, A-1-b, <br /> sand,gravelly sandy SP, A-4, <br /> loam GC- A-1-a, <br /> GM, A-3 <br /> GW- <br /> GM, <br /> GM, <br /> GP <br /> Torrilluvents,protected 0-5 Extremely gravelly fine GP,GW- A-2-4, 0 0fi5 20-80 15-75 5-65 0-40 0-25 NP-5 <br /> sandy loam,cobby GM, A-1-b, <br /> loamy sand,very GC- A-4 <br /> gravelly sand,extremely GM, <br /> cobby sand Sc- <br /> SM, <br /> GM, <br /> SM <br /> 5-63 Extremely gravelly sand, GW,GW- A-1-a, 0-15 0.73 0-75 0-70 0-55 0-25 0-25 NP-5 <br /> very cobby loamy sand, GM, A-1-b, <br /> extremely gravelly GM, A-2-4 <br /> loamy sand,extremely GC- <br /> cobby sandy loam GM, <br /> Sc- <br /> SM, <br /> GP,SP <br /> LSQA Natural Resources Web Soil Survey 2.0 2/27/2008 <br /> Conservation Service National Cooperative Soil Survey Page 13 of 15 <br />