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Cutting Description <br />Drill Hole 310134-4 <br />Page 4 of 8 <br />Interval <br />• <br />From To <br />295' 300' Sandstone, fine grained, gray; all broken up, powdery. <br />300' 305' Sandstone, fine grained, gray, powdery. <br />305' 320' Siltstone, gray to black; carbonaceous fragments <br />and lenses. <br />320' 325' Sandstone-mudstone, fine grained, gray, powdery. <br />325' 330' Siltstone-shale, brown to black; carbonaceous frag- <br />ments and lenses; coal fragments. <br />330' 335' Siltstone-mudstone, gray to black; few carbonaceous <br />fragments and lenses. <br />335' 340' Siltstone, gray, hard. <br />340' 345' Siltstone, brown to black. <br />345' 350' Siltstone, gray; few carbonaceous fragments. <br />350' 355' Sandstone-siltstone, fine grained, gray, good cementa- <br /> tion (very hard). • <br />355' 360' Sandstone, very fine grained, light gray to grayish <br /> brown; few carbonaceous fragments. <br />360' 365' Sandstone, fine grained, gray; few carbonaceous lenses. <br />365' 370' Sandstone-siltstone, fine grained, light gray to <br />grayish brown. <br />*******LOWER WILLIAMS FORK FORMATION******* <br />370' 375' Sandstone, ine graine iq gray, well sorted, <br />heavy minerals; coal lenses. <br />375' 380' Sandstone-siltstone, fine grained, gray to grayish <br />black, sugary texture; carbonaceous fragments in <br />siltstone. <br />380' 385' Sandstone, fine grained, gray, well sorted, heavy <br />minerals, sugary texture. <br />385' 390' Sandstone, very fine grained, light gray; carbona- <br />ceous lenses and fragments. <br />390' 395' Coal, good shiny luster; shale-siltstone fragments, <br />carbonaceous, black. <br />395' 400' Sandstone, fine grained, gray to brown; all broken <br />up, powdery. <br />