Seminar on advances in water well drilling techniques and equipments January 8-9, 1999
628.114
C397S
 Seminar on advances in water well drilling techniques and equipments January 8-9, 1999 - New Delhi : CGWP, 1999.
 304p.
C9540
  Subjects: Boring; Wells; Water; Hydraulic engineering; Under water drilling.

