000			00702nam a2200157Ia 4500
008			220515s9999||||xx |||||||||||||| ||und||
020			_a0-903031-96-5
050			_aWA 675 .W35 1987
100			_aWood, W. E.|Watt, S.B.
245		0	_aHand dug wells and their construction
260			_a1987 _bIntermediate Technology Publication _c1987
300			_a253p.
500			_aProvides the general principles of wells digging, ground water storage, hygienic sources, and some explanation on processing of the task, including actual construction, methods and techniques, standard materilas and equipments and as well information and sources
650			_aWell digging|Well sinking practice
942			_2lcc _cBK
999			_c7267 _d7267