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44 <br />Table 6. Mean soil loss estimates of topsoil using basic equation, <br />A= Rx K. <br /> <br /> <br /> <br />Coal Region <br /> <br />Coal Field <br />Sampling <br />Site Mean Soil Loss, Al <br />(tonnes per hectare <br />per year) <br />Raton Mesa Trinidad Delagua 34 <br />Green 8iver Yampa Seneca 24 <br />Green River Yampa Edna 18 <br /> (first site) <br />Canon City Canon City GEC S and A 17 <br /> (second site) <br />Green River Yampa Energy Fuels No. 3 16 <br />Canon City Canon City GEC 5 and A 15 <br /> (first site) <br />Green River Yampa Hayden Gulch 15 <br />Green River Yampa Energy Fuels No. 1 13 <br />Green River Yampa Empire Energy 13 <br /> (first site) <br />Green River Yampa Empire Energy 12 <br /> (second site) <br />Uinta Danforth Hills Colowyo 8.2 <br />North Park North Park Marr Strip No. 1 6.6 <br /> (first site) <br />North Park North Park Marr Strip No. 1 6.2 <br /> (second site) <br />1Verti cal lines group sampling sites which are not significant]y <br />diffe rent with 95 percent confidence limits. <br /> <br />