000 00597nam a2200193 4500
008 220926t2021 ||||| |||| 00| 0 eng d
020 _a9786245971008
041 _aeng
080 _a628.1
_bG8
245 _aGuideline for management of groundwater sources for piped water supply schemes
250 _a1st ed.
260 _aRathmalana
_bNational Water Supply and Drainage Board
_c2021
300 _a43p. : ill., maps, tables.
650 _aWATER SUPPLY - Sri Lanka
650 _aGROUND WATER SUPPLY
650 _aPIPED WATER
_921509
700 _aPremathilaka, K. M.
_eedt
942 _cBK
999 _c180807
_d180807