Mowry, William Augustus, 1829-1917, Mowry, Arthur May, 1862- joint author · New York, Boston [etc.] Silver, Burdett and company · leaf 131
ns in trenches or pipes.This method of helping na-ture by providing waterwhere rain is scarce iscalled irrigation. In the same way manyother sections of the greatWest have been reclaimed.Southern California, for-merly fit only for the raising of vast herds of cattle, is nowthe great orchard of the… … AN IRRIGATING TRENCH. FOOD—SOIL. 129 At present the principal grain region of our country is thegreat Northwest, the twelve States west of Pennsylvania.The principal grain is corn, and two-thirds of the entire cropof this country is grown in the seven States of Ohio, Indiana,Illinois, Iowa,…
Inventions
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