A history of the United States of America; its people and its institutions . Steam-Plough. INDUSTRIAL CONDITIONS AND DEVELOPMENT. 529 convey it to market, great elevators store and load it onshipboard, and in a thousand ways the aid of invention hasbeen called in to decrease the labor and add to the produc-. STEAM THKESHING-MaCHINE. tiveness of the farm, and to lessen the cost of conveying itsproduce to market. Irrig-ation.—The area of farm lands in the United Stateshas of late years been largely increased by irrigating thesoil in the rainless region of the West. The water of riversand mountai
A history of the United States of America; its people and its institutions . Steam-Plough. INDUSTRIAL CONDITIONS AND DEVELOPMENT. 529 convey it to market, great elevators store and load it onshipboard, and in a thousand ways the aid of invention hasbeen called in to decrease the labor and add to the produc-. STEAM THKESHING-MaCHINE. tiveness of the farm, and to lessen the cost of conveying itsproduce to market. Irrig-ation.—The area of farm lands in the United Stateshas of late years been largely increased by irrigating thesoil in the rainless region of the West. The water of riversand mountain streams is conveyed by canals to the fertilelands, and there spread over the ground by numerous smallchannels. In this way millions of acres have been madevery productive, and millions more will be in the future. Fur Products.—The early colonists cjuickly found anothervaluable source of profit in the great number and varietyof fur-bearing animals that dwelt in the forests of this coun-try, and whose furs brought high prices in Europe. At firstthese were purchased from the Indians, and to this trafficthe Dutch settlers of New York particularly devoted them-selves. Then the whites began the business of hunting andtrapping. This was particularly the case with the Frenchof Canada, who penetrated th
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