Watt, S. B.
Hand dug wells and their construction / S. B. Watt, W. E. Wood. - ELBS ed. - London : English Language Book Society and Intermediate Technology Publications Ltd., 1979. - 253 p. : ill.
91026110
Wells--Handbooks, manuals, etc.
Hand dug wells and their construction / S. B. Watt, W. E. Wood. - ELBS ed. - London : English Language Book Society and Intermediate Technology Publications Ltd., 1979. - 253 p. : ill.
91026110
Wells--Handbooks, manuals, etc.