Elliott, Charles G.
Engineering for land drainage: a manual for laying out and constructing drains for the improvement of agricultural lands - New York John Wiley & Sons 1907 - 232 p. ilus., láms.
DRENAJE AGRICOLA
A/631.62/E46
Engineering for land drainage: a manual for laying out and constructing drains for the improvement of agricultural lands - New York John Wiley & Sons 1907 - 232 p. ilus., láms.
DRENAJE AGRICOLA
A/631.62/E46