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u <br />w <br />N <br />00 <br />Table 2.7-8b Overburden Geochemical Drill Hole Lithology and Sample Intervals for the PR -7 Mine Expansion Area <br />Sample <br />Sample <br />Interval <br />Interval <br />Sample <br />Top <br />Bottom <br />RQD <br />No. <br />(feet) <br />(feet) <br />(%) <br />Lithological Description <br />218.68 <br />219.53 <br />85.7% <br />55 <br />219.53 <br />! 223.40 <br />85.7% <br />COAL <br />56 <br />223.40 224.40 <br />85.7% <br />CARB SHALE, BUSH BRN TO DK BRN, MOS SOFT <br />85.7% <br />MUDST <br />57 <br />224.40 227.40 <br />93.0% <br />SS <br />93.0% <br />MUDST <br />58 <br />227.40 229.20 <br />93.0% <br />93.0% <br />59 <br />229.20 232.90 <br />93.0% <br />MUDST <br />I <br />93.0% <br />SS <br />60 <br />1 232.90 236.22 <br />93.0% <br />MUDST <br />- <br />- - <br />93.0% <br />61 <br />236.22 237.31 <br />93.0% <br />COAL <br />92.1% <br />62 <br />237.31 240.10 <br />92.1% <br />SS <br />92.1% <br />63 <br />240.10 243.08 <br />92.1% <br />MUDST <br />92.1% <br />SS <br />92.1 <br />64 <br />243.08 I 245.29 <br />92.1% <br />COAL <br />92.1 <br />65 <br />245.29 247.30 <br />92.1% <br />MUDST <br />92.1% <br />SS <br />66 <br />247.30 250.10 <br />92.1% <br />MUDST <br />92.1% <br />SS <br />