Show L v Growth of Irrigation Systems The growth of irrigation systems throughout the world has been a re- re feature of the agricultural Progress of the nineteenth century says ays a writer n In n the National Maga Maga- zinc zine The great dam across the he upper Nile has added myriads myriad IS of acres to the fertilized area of Egypt franco France has sown the northern Sahara with oases made beautiful and fruitful fruit fruit- ful rul by artesian wells British Ind f.'s fla ls dotted here and there by public t Yorks which h store up the floods of the he periodical rains against the scorching drought of midsummer and I besides millions Invested invented by c corpora corporations I lions and private citizens the United I States Mates government nt has constructed I some Bomo splendid Irrigation systems in hat have been considered c deserts |