Nicholson, Harry Helstrip.
The principles of field drainage / Harry Helstrip Nicholson . - 2d ed. - Cambridge [Eng.] : University Press, 1953. - xi , 163 p. : ill. ; 22 cm.
Includes bibliography.
53009544
GB53-5322
Drainage.
S621 / .N5 1953
631.6 / NIP
The principles of field drainage / Harry Helstrip Nicholson . - 2d ed. - Cambridge [Eng.] : University Press, 1953. - xi , 163 p. : ill. ; 22 cm.
Includes bibliography.
53009544
GB53-5322
Drainage.
S621 / .N5 1953
631.6 / NIP