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SENECA II-W MINE <br />• Topsoil Replacement Depths (as of 7105) <br />~•. <br />0 1 <br />1-10 5 <br />11-20 63 Average Depth <br />21-30 69 <br />31 ~0 32 <br />41+ 0 <br /> <br />23.1 inches <br /> Seneca II-W Replaced TS Depths <br />8 <br />0 <br />70 <br /> <br />6 <br />0 <br />m <br />a 50 <br />m 40 <br />c 30 <br /> <br />as 20 <br />10 <br />0 <br />0 1-10 11-20 21-30 31-40 41+ <br /> Depth Range <br /> . ~-. <br />0 inches 6 acres <br />1-10 inches 29 acres <br />11-20 inches 362 acres <br />210 inches 396 acres <br />310 inches 184 acres <br />41+ inches 0 acres <br />`assumes 500 x 500 ft area for each sample <br />Conclusions: <br />Topsoil replaced by scrapers results in variable replacement depths. The seed mix at II-W <br />places diverse plants into the depth range which is conducive to their growth. <br />C~ <br />