TY  - BOOK
ED  - CentralGround Water Board (New Delhi)
TI  - Seminar on advances in water well drilling techniques and equipments January 8-9, 1999
U1  - 628.114 21st
PY  - 1999///
CY  - New Delhi
PB  - CGWP
KW  - Boring; Wells; Water; Hydraulic engineering; Under water drilling
ER  -