Engineering Wonders of the World
Volume III

Forfatter: Archibald Williams

År: 1945

Serie: Engineering Wonders of the World

Forlag: Thomas Nelson and Sons

Sted: London, Edinburgh, Dublin and New York

Sider: 407

UDK: 600 eng- gl

With 424 Illustrations, Maps, and Diagrams

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Side af 434 Forrige Næste
THE GREAT IRRIGATION WORKS OF INDIA. 249 tion works are capable of providing food for one-fifth of the population of the provinces in which they lie. The gross value of the crops raised on the irrigated area in India is about £40,000,000 annually. It must not, however, be as- sumed that this out-turn is entirely due to the works. The irrigation assures, improves, and increases the produce of the fields ; without irrigation there would, in most tracts, be a crop. It is in famine Value of Irrigated Crops. years only that water prevents the entire loss of the harvest. GENERAL VIEW OF THE MYAPORE REGULATOR AND ESCAPE AT THE HEAD OF THE GANGES CANAL.