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Custom Soil Resource Report <br /> Soil Engineering Properties <br /> Engineering Properties-Arapaho-Roosevelt National Forest Area,Colorado,Parts of Boulder,Clear Creek,Gilpin,Grand,Park and Larimer Counties <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 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 /> 2706D—Cypher - --- - -- --- - --� <br /> family-Rock outcrop <br /> complex,40 to 150 <br /> percent slopes <br /> Cypher family 50 D 0-4 Very gravelly coarse GC-GM, A-1-a, 0-0-0 0-0-12 37-48- 34-46- 19-27- 10-14- 20-23 4-6-9 <br /> sandy loam GC A-1-b, 59 57 37 20 -28 <br /> A-2-4 <br /> 4-10 Very gravelly coarse GC-GM, A-1-a, 0-0-5 0-0-23 3148- 2946- 16-27- 8-14-18 19-22 4-6-9 <br /> sandy loam, GW- A-1-b, 53 52 33 -27 <br /> extremely cobbly GC,GC A-24 <br /> sandy loam <br /> { <br /> - --�60 -i - <br /> 10-20 Bedrock <br /> Rock outcrop 35 D 0-60 Bedrock — <br /> o -- - - — - - <br />