LEADER 01895oam 2200601 450 001 9910705403103321 005 20170428092259.0 035 $a(CKB)5470000002451361 035 $a(OCoLC)784652675$z(OCoLC)754643441 035 $a(EXLCZ)995470000002451361 100 $a20120408d1998 ua 0 101 0 $aeng 135 $aur||||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aEngineering geology applied to the design and operation of underground coal mines /$fby C. Richard Dunrud 210 1$aWashington :$cUnited States Government Printing Office,$d1998. 215 $a1 online resource (vi, 134 pages) $cillustrations 225 1 $aU.S. Geological Survey bulletin ;$v2147 320 $aIncludes bibliographical references (pages 128-134). 606 $aCoal mines and mining 606 $aEngineering geology 606 $aCoal$xGeology 606 $aGround control (Mining) 606 $aCoal$xGeology$2fast 606 $aCoal mines and mining$2fast 606 $aEngineering geology$2fast 606 $aGround control (Mining)$2fast 615 0$aCoal mines and mining. 615 0$aEngineering geology. 615 0$aCoal$xGeology. 615 0$aGround control (Mining) 615 7$aCoal$xGeology. 615 7$aCoal mines and mining. 615 7$aEngineering geology. 615 7$aGround control (Mining) 676 $a622/.334 700 $aDunrud$b C. Richard$01385965 712 02$aGeological Survey (U.S.), 801 0$bOCLCE 801 1$bOCLCE 801 2$bOCLCQ 801 2$bOCLCO 801 2$bOCLCF 801 2$bOCLCQ 801 2$bTFW 801 2$bOCLCQ 801 2$bGPO 906 $aBOOK 912 $a9910705403103321 996 $aEngineering geology applied to the design and operation of underground coal mines$93538096 997 $aUNINA