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W <br />Custom Soil Resource Report <br />Chemical Soil Properties– Arapaho - Roosevelt National Forest Area, Colorado, Parts of Boulder, Clear Creek, Gilpin, Grand, Park and Larimer Counties <br />Map symbol and soil name <br />Depth <br />Cation- <br />exchange <br />capacity <br />Effective <br />cation- <br />exchange <br />capacity <br />Soil reaction <br />Calcium <br />carbonate <br />Gypsum <br />Salinity <br />Sodium <br />adsorption ratio <br />In <br />meq/100g <br />meq/100g <br />pH <br />Pct <br />Pct <br />mmhos/cm <br />2703B— Cypher- Ratake families <br />complex, 5 to 40 percent slopes <br />Cypher family <br />0 -4 <br />7.1 -13 <br />— <br />5.8-66 <br />0 <br />0 <br />0 <br />0 <br />4 -10 <br />62-13 <br />— <br />5.6 -6.4 <br />0 <br />0 <br />0 <br />0 <br />10 -20 <br />— <br />— <br />— <br />— <br />Ratake family <br />0 -8 <br />8.1 -16 <br />6.4 -7.2 <br />0 <br />0 <br />0 <br />0 <br />8-18 <br />7,2 -15 <br />— <br />62 -7.0 <br />0 <br />0 <br />0 <br />0 <br />18 -28 <br />— <br />— <br />2705D— Ratake- Cathedral families - <br />Rock outcrop complex, 40 to 150 <br />percent slopes <br />Ratake family <br />0 -8 <br />8.1 -16 <br />— <br />6.4 -7.2 <br />0 <br />0 <br />0 <br />0 <br />8 -18 <br />7.2 -15 <br />— <br />62-7.0 <br />0 <br />0 <br />0 <br />0 <br />18 -28 <br />— <br />— <br />— <br />— <br />Cathedral family <br />0 -0 <br />50 -70 <br />30-60 <br />5.1 -6.0 <br />0 <br />0 <br />0 <br />0 <br />0-6 <br />5.4 -17 <br />— <br />6.0 -6.8 <br />0 <br />0 <br />0 <br />0 <br />6 -11 <br />3.8 -14 <br />— <br />5.6 -6.4 <br />0 <br />0 <br />0 <br />0 <br />11 -17 <br />3.8 -14 <br />— <br />5.8 -6.6 <br />0 <br />0 <br />0 <br />0 <br />17 -26 <br />— <br />— <br />Rock outcrop <br />0 -60 <br />— <br />— <br />— <br />— <br />— <br />19 <br />