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July 23, 2013 <br />Page 44 <br />Design Depth <br />Mining Height (ft) <br />of Cover (ft) <br />8.0 <br />9 <br />10 <br />11 <br />12 <br />13 <br />14 <br />15 <br />16 <br />17 <br />18 <br />19 <br />20 <br />60 <br />64.2 <br />61.3 <br />59.0 <br />56.5 <br />54.3 <br />52.5 <br />50.6 <br />48.9 <br />47.3 <br />45.7 <br />44.4 <br />43.0 <br />41.8 <br />80 <br />64.2 <br />61.3 <br />59.0 <br />56.5 <br />54.3 <br />52.5 <br />50.6 <br />48.9 <br />47.3 <br />45.7 <br />44.4 <br />43.0 <br />41.8 <br />100 <br />63.9 <br />61.1 <br />58.8 <br />56.5 <br />54.3 <br />52.5 <br />50.6 <br />48.9 <br />47.3 <br />45.7 <br />44.4 <br />43.0 <br />41.8 <br />120 <br />63.6 <br />60.9 <br />58.6 <br />56.2 <br />54.1 <br />52.2 <br />50.4 <br />48.8 <br />47.2 <br />45.6 <br />44.3 <br />43.0 <br />41.8 <br />140 <br />63.4 <br />60.6 <br />58.3 <br />56.0 <br />53.8 <br />52.0 <br />50.1 <br />48.6 <br />46.9 <br />45.4 <br />44.1 <br />42.8 <br />41.6 <br />160 <br />63.0 <br />60.3 <br />58.0 <br />55.7 <br />53.6 <br />51.8 <br />49.9 <br />48.3 <br />46.7 <br />45.2 <br />43.9 <br />42.6 <br />41.4 <br />180 <br />61.9 <br />59.9 <br />57.7 <br />55.4 <br />53.3 <br />51.5 <br />49.7 <br />48.1 <br />46.5 <br />45.0 <br />43.7 <br />42.4 <br />41.2 <br />200 <br />60.2 <br />58.6 <br />57.1 <br />55.0 <br />53.0 <br />51.2 <br />49.4 <br />47.8 <br />46.3 <br />44.8 <br />43.5 <br />42.2 <br />41.0 <br />220 <br />58.7 <br />56.9 <br />55.5 <br />53.9 <br />52.6 <br />50.9 <br />49.1 <br />47.5 <br />46.0 <br />44.5 <br />43.2 <br />41.9 <br />40.8 <br />240 <br />57.2 <br />55.5 <br />53.9 <br />52.4 <br />51.0 <br />49.7 <br />48.6 <br />47.2 <br />45.7 <br />44.2 <br />43.0 <br />41.7 <br />40.6 <br />260 <br />55.8 <br />54.0 <br />52.4 <br />51.0 <br />49.5 <br />48.2 <br />47.0 <br />46.0 <br />45.0 <br />43.9 <br />42.7 <br />41.4 <br />40.3 <br />280 <br />54.5 <br />52.7 <br />51.0 <br />49.5 <br />48.2 <br />46.9 <br />45.7 <br />44.6 <br />43.6 <br />42.6 <br />41.7 <br />40.8 <br />40.0 <br />300 <br />53.4 <br />51.5 <br />49.9 <br />48.4 <br />47.0 <br />45.7 <br />44.5 <br />43.3 <br />42.3 <br />41.3 <br />40.4 <br />39.6 <br />38.6 <br />Coal Strength (psi) 900 Mining Width (ft) 11.50 No. Web Pillars 19 <br />65 <br />60 <br />55 <br />50 <br />45 <br />40 <br />35 <br />50 <br />100 150 200 250 300 350 <br />DEPTH OF COVER (ft) <br />Figure 30c. Raw Recovery -South Taylor Pit, E and D2 /E Seams <br />Agapito Associates, Inc. <br />Mining <br />Height <br />(ft) <br />t 8 <br />9 <br />-x- 10 <br />_- 11 <br />12 <br />13 <br />14 <br />15 <br />16 <br />-8 -17 <br />18 <br />19 <br />20 <br />