Methods and machines for tile and other tube drainage /
Theobald, G. H.
Methods and machines for tile and other tube drainage / prepared by G. H. Theobald. - Rome : Food and Agriculture Organization of the United Nations, 1963. - 104 p. : ill. ; 23 cm. - FAO Agricultural Development Paper ; no.78 .
Includes bibliographical references : p. [101]-104.
Drainage.
Drain-tiles.
Methods and machines for tile and other tube drainage / prepared by G. H. Theobald. - Rome : Food and Agriculture Organization of the United Nations, 1963. - 104 p. : ill. ; 23 cm. - FAO Agricultural Development Paper ; no.78 .
Includes bibliographical references : p. [101]-104.
Drainage.
Drain-tiles.