Farm drainage. The principles, processes, and effects of draining land with stones, wood, plows, and open ditches, and especially with tiles .

Wedi'i Gadw mewn:
Manylion Llyfryddiaeth
OCLC:6791897
Prif Awdur: French, Henry F. (Henry Flagg), 1813-1885
Iaith:English
Cyhoeddwyd: New York, A. O. Moore, 1859.
Cyfres:American Culture Series II. r.617, item 005.
Pynciau:
Fformat:

Monograph Microform

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