=LDR 00000nam a2200000ui 4500 =001 1844 =008 250530s1988\\\\xx\|||||||||||||||||eng\d =082 04$a628.114 CLA =100 1\$aClark, Lewis =245 10$aThe Field Guide to Water Wells and Boreholes =260 \\$bOpen University Press,$c1988 =852 \\$bFreeman Library$cBooks$h628.114 CLA