The Census Bureau estimates the population of 120.000.000 in 1930. I think we can very accurately verify that statement. we are so close now to 1930. To provide for the normal increase of our population. not counting immigration. the Secretary of Agriculture estimated that it would be necessary to bring under cultivation 8.000.000 acres per year or approximately 240.000.000 acres between now and the year 1950. This was taken from the Yearbook of 1921. I will read a further statement in this connection: Improved land increased less than 5 per cent from 1910 to 1920. as compared with 15 to 50 per cent of previous decades. and this 5 per cent increase was practically confined to the precariously productive semiarid lands of tie Great Plains region.
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immigration