=LDR 22 4500 =001 2998 =082 04$a1998 JON =100 1\$aJones, Catherine =245 10$aAn investigation into elevated lead concentrations in groundwater used for drinking water: Mountshannon, Co. Clare =260 \\$aDublin :$bUniversity of Dublin, Trinity College,$c1998 =650 \0$aTheses =852 \\$bFreeman Library$h1998 JON