LEADER 02461oam 2200613 450 001 9910713624203321 005 20210122100114.0 035 $a(CKB)5470000002503434 035 $a(OCoLC)966434726 035 $a(EXLCZ)995470000002503434 100 $a20161219d1995 ua 0 101 0 $aeng 135 $aurbn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 12$aA feasibility study to estimate minimum surface-casing depths of oil and gas wells to prevent ground-water contamination in four areas of western Pennsylvania /$fby Theodore F. Buckwalter and Paul J. Squillace 210 1$aLemoyne, Pennsylvania :$cU.S. Geological Survey,$d1995. 215 $a1 online resource (vi, 55 pages) $cillustrations, maps +$e1 plate 225 1 $aWater-resources investigations report ;$v87-4136 300 $a"Prepared in cooperation with the Pennsylvania Department of Environmental Resources, Bureau of Oil and Gas Management." 320 $aIncludes bibliographical references (pages 49-51). 606 $aOil pollution of water$zPennsylvania 606 $aGroundwater$xPollution$zPennsylvania 606 $aOil wells$xEnvironmental aspects$zPennsylvania 606 $aGas wells$xEnvironmental aspects$zPennsylvania 606 $aGas wells$xEnvironmental aspects$2fast 606 $aGroundwater$xPollution$2fast 606 $aOil pollution of water$2fast 606 $aOil wells$xEnvironmental aspects$2fast 607 $aPennsylvania$2fast 615 0$aOil pollution of water 615 0$aGroundwater$xPollution 615 0$aOil wells$xEnvironmental aspects 615 0$aGas wells$xEnvironmental aspects 615 7$aGas wells$xEnvironmental aspects. 615 7$aGroundwater$xPollution. 615 7$aOil pollution of water. 615 7$aOil wells$xEnvironmental aspects. 700 $aBuckwalter$b Theodore F.$01413841 702 $aSquillace$b Paul J. 712 02$aGeological Survey (U.S.), 712 02$aPennsylvania.$bBureau of Oil and Gas Management. 801 0$bCOP 801 1$bCOP 801 2$bOCLCO 801 2$bOCLCF 801 2$bOCLCA 801 2$bUND 801 2$bGPO 906 $aBOOK 912 $a9910713624203321 996 $aA feasibility study to estimate minimum surface-casing depths of oil and gas wells to prevent ground-water contamination in four areas of western Pennsylvania$93511277 997 $aUNINA