000
002670000a22001090004500
245
_a
Well drilling manual
110
_a
The National Water Well Association
260
_a
Jodhpur
_b
Scientific Pub.
_c
1985
080
_a
628.112:622.24
_b
N3
041
_a
EN
942
_c
BK
999
_c
63106
_d
63106