Pionner irrigation :
Mawson, Ernest Oscar,
Pionner irrigation : a manual of information for farmers in the colonies / Light railways by E. O. Mawson , with additional chapters on light railways by E. R. Calthrop - xvi, 260 páginas
Riego--Manuales
Ferrocarriles--Local y luces--Manuales, etc.
TC805 / M38
Pionner irrigation : a manual of information for farmers in the colonies / Light railways by E. O. Mawson , with additional chapters on light railways by E. R. Calthrop - xvi, 260 páginas
Riego--Manuales
Ferrocarriles--Local y luces--Manuales, etc.
TC805 / M38