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Page 6 of 6 <br /> Project: Oxbow Mining Hole: EC-10 <br /> <br /> From To Thick. Description <br /> <br /> 657.10 663.20 6.10 Sandstone: gray, silty, very fine grained, fine <br /> 663.20 685.70 2.50 Shale: gray to dark gray, silty <br /> 665.70 671.20 5.50 Siltstone: gray, sandstone laminae <br /> 671.20 677.00 5.80 Sandstone: light gray, fine grained <br /> 677.00 679.40 2.40 Coal: moderately bright, well cleated, weak <br /> 679.40 680.00 0.60 Carbonaceous Shale: black <br /> 680.00 681.70 1.70 Shale: black to dark gray <br /> 681.70 682.10 0.40 Coal: moderately dull, poorly cleated <br /> 682.10 682.60 0.50 Carbonaceous Shale: black, fine <br /> 682.60 683.50 0.90 Coal: moderately bright, cleated, weak <br />• 683.50 683.60 0.10 Carbonaceous Shale: dark brown, firm <br /> 683.60 687.00 3.40 Coal: moderately bright, well cleated <br /> 687.00 687.70 0.70 Carbonaceous Shale: black, coal laminae <br /> 687.70 689.70 2.00 Coal: moderately dull to dull, firm <br /> 689.70 690.40 0.70 Carbonaceous Shale: black, silty, dull <br /> 690.40 693.30 2.90 Shale: dark gray, silty, firm, pyritlc <br /> 693.30 694.90 1.60 Carbonaceous Shale: dark gray to black, slickensides <br /> 694.90 700.00 5.10 Bowie Sandstone: light gray, fine grained, well sorted <br /> 700.00 TD Numerous lost circulation zones, water intercepts not <br /> recorded, total water production less than 5 GPM. <br /> Hole abandoned with: <br /> 12 sx Cement <br /> 1 sx Bentonde Gel <br />• 65 sx Bentonite Chips <br />