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Cutting Description <br />Drill Hole 310134-4 <br />Page 6 of 8 <br />Interval <br />From To • <br />500' 505' Siltstone-sandstone, brown to black; carbonaceous <br />fragments and lenses in siltstone. <br />505' 510' Siltstone, brown to black; carbonaceous fragments <br />and lenses. <br />510' 515' Sandstone-siltstone, very fine grained, gray, good <br />cementation (hard). <br />515' 520' Sandstone-siltstone, fine grained, light gray to <br />grayish bro~,m, well sorted, heavy minerals; few <br />carbonaceous fragments in siltstone. <br />520' 525' Sandstone-siltstone-shale, very fine grained, light <br />gray to grayish black, heavy minerals; carbonaceous <br />lenses in siltstone and shale. <br />525' 530' Siltstone-sandstone, brown to black; carbonaceous <br />fragments and lenses in siltstone; few coal fragments. <br />530' 540' Siltstone, brown to black; carbonaceous fragments and <br />lenses. <br />540' 545' Siltstone, brown to black; few carbonaceous fragments • <br />and lenses. <br />545' 550' Shale-siltstone, brown to black; carbonaceous frag- <br />ments and lenses. <br />550' 555' Shale, black; carbonaceous lenses and fragments; coal <br />fragments. <br />555' 560' Coal, good shiny luster; shale, carbonaceous, brown <br />to black. <br />560' 565' Siltstone-sandstone, gray to light gray. <br />565' 570' Shale-siltstone, brown to black; carbonaceous frag- <br />ments and lenses. <br />570' 575' Shale-siltstone, brown to black; carbonaceous frag- <br />ments and lenses; few coal fragments. <br />575' 580' Coal, good shiny luster; shale fragments, carbonaceous, <br />black. <br />580' 585' Siltstone, gray to black; few carbonaceous fragments <br />and lenses; coal fragments. • <br />