Utah State Agricultural College Graduates Now Living in Other States

Robert Dawson Simpson
1940
The intensity of the pressure of population on an area may be increased on three occasions. Economic and social opportunities may contract; population may increase; or both these factors may combine to increase the intensity of pressure. This pressure, naturally can be diminished either by an increase of opportunity or an dimunition of population.
doi:10.26076/5c21-7a25 fatcat:ckbofgekdvajblehc6catbecz4