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Drill Hole Lithology Summary <br />Drill Hole Easting Northing Collar Total Depth Township Range Section File <br />DH-76-9 <br />__..�. <br />1,331,680.00 <br />.,.... rte... <br />348,870.00 7 1 300 00 <br />_..._ .., <br />3C <br />Adjusted Depths <br />From <br />To <br />Seam <br />Thickness Lithologic Qualifiers <br />Lithology Type <br />Shade Color <br />0.00 <br />17.90 <br />17.90 <br />undifferentiated stone <br />17.90 <br />19.80 <br />Y45 <br />1.90 <br />coal <br />19.80 <br />48.50 <br />28.70 <br />undifferentiated stone <br />48.50 <br />49.50 <br />Y35 <br />1.00 <br />coal <br />49.50 <br />49.50 <br />OXID <br />0.00 <br />undifferentiated stone <br />49.50 <br />101.30 <br />51.80 <br />undifferentiated stone <br />101.30 <br />103.00 <br />Y25 <br />1.70 <br />coal <br />103.00 <br />175.00 <br />72.00 <br />undifferentiated stone <br />175.00 <br />184.50 <br />X3 <br />9.50 <br />coal <br />184.50 <br />186.50 <br />X4 <br />2.00 <br />coal <br />186.50 <br />191.50 <br />5.00 <br />undifferentiated stone <br />191.50 <br />192.60 <br />X5 <br />1.10 <br />coal <br />192.60 <br />207.00 <br />14.40 <br />undifferentiated stone <br />207.00 <br />220.00 <br />13.00 <br />sandstone <br />220.00 <br />234.20 <br />14.20 <br />undifferentiated stone <br />234.20 <br />235.80 <br />Al <br />1.60 <br />coal <br />• <br />235.80 <br />247.00 <br />11.20 <br />undifferentiated stone <br />247.00 <br />247.50 <br />A2 <br />0.50 <br />coal <br />247.50 <br />264.30 <br />16.80 <br />undifferentiated stone <br />264.30 <br />265.90 <br />B1 <br />1.60 <br />coal - <br />265.90 <br />269.00 <br />3.10 <br />undifferentiated stone <br />269.00 <br />270.00 <br />1.00 <br />boney coal <br />270.00 <br />271.50 <br />1.50 <br />undifferentiated stone <br />271.50 <br />275.00 <br />B2 <br />3.50 <br />coal <br />275.00 <br />275.40 <br />0.40 <br />undifferentiated stone <br />275.40 <br />276.70 <br />B3 <br />1.30 <br />coal <br />276.70 <br />305.60 <br />28.90 <br />undifferentiated stone <br />305.60 <br />309.00 <br />C3 <br />3.40 <br />coal <br />309.00 <br />313.20 <br />C5 <br />4.20 <br />coal <br />313.20 <br />322.00 <br />8.80 <br />undifferentiated stone <br />322.00 <br />323.70 <br />C7 <br />1.70 <br />coal <br />323.70 <br />358.20 <br />34.50 <br />undifferentiated stone <br />358.20 <br />361.30 <br />D1 <br />3.10 <br />coal <br />361.30 <br />369.90 <br />D2 <br />8.60 <br />coal <br />369.90 <br />397.00 <br />27.10 <br />undifferentiated stone <br />397.00 <br />403.00 <br />6.00 <br />sandstone <br />403.00 <br />404.60 <br />1.60 <br />undifferentiated stone <br />• <br />404.60 <br />410.40 <br />E2 <br />5.80 <br />coal <br />Rio Tinto Energy America - Colowyo Mine <br />Page 1064 of 1194 <br />