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T Factor — Chaffee -Lake Area, Colorado, Parts of Chaffee and Lake Counties <br />T Factor <br />T Factor— Summary by Map Unit — Chaffee -Lake Area, Colorado, Parts of Chaffee and Lake Counties (C0658) <br />Map unit symbol <br />Map unit name <br />Rating (tons per acre <br />per year) <br />Acres in AOI <br />Percent of AOI <br />LeE <br />Leadville sandy loam, 3 <br />to 35 percent slopes <br />2 <br />96.8 <br />84.4% <br />MP <br />Mine pits and Dumps <br />11.0 <br />9.6% <br />PgD <br />Pierian gravelly sandy <br />loam, 3 to 9 percent <br />slopes <br />5 <br />0.8 <br />0.7% <br />W <br />Water <br />6.0 <br />5.3% <br />Totals for Area of Interest <br />114.7 <br />100.0% <br />Description <br />The T factor is an estimate of the maximum average annual rate of soil erosion by <br />wind and /orwater that can occurwithout affecting crop productivity over a sustained <br />period. The rate is in tons per acre per year. <br />Rating Options <br />Units of Measure: tons per acre per year <br />Aggregation Method: Dominant Condition <br />Component Percent Cutoff: None Specified <br />Tie -break Rule: Lower <br />Interpret Nulls as Zero: No <br />Union Mill <br />usDA Natural Resources Web Soil Survey 2/24/2014 <br />Conservation Service National Cooperative Soil Survey Page 3 of 3 <br />