Gibson, Ulric P.

Water well manual : a practical guide for locating and constructing wells for individual and small comunity water supplies - Berkeley, Cal. : Premier Press, 1971 - 156 p. : ilus. - Fotocopia . - Fotocopia .

26-60

67929


Agua subterranea.
Agua--Abastecimiento.
Pozos.

631.71 / G5