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KEY TO SYMBOLS <br />ymbol Description <br />trata symbols <br />Fill <br />1 Alluvial clay with <br />gravel and cobbles <br />%~ clay <br />Interbedded clayatone, <br />siltstone and v. fine grained <br />sandstone <br />COAL <br />Risc. Symbols <br />-~ Boring continues <br />Ronitor Well Details <br />_ capped riser ovith locking <br />~ ~ cover <br />surface casing <br />set in concrete <br />bentonite grout slurry <br />bentonite pellets <br />silica sand, blank PVC <br />slotted pipe w/ sand <br />endcap on pipe <br />packed in sand <br />. Coal depths reported are from cuttings and driller information. <br />. Cutting description prepared from surface cuttings in hole WWCU-24 but deb <br />re adjusted 4 feet for dip and well off-set. <br />. WWCOV-24 = Seneca IIW, Wolf Creek Overburden, pad no. 24. <br />