| 000 | 00412 a2200133 4500 | ||
|---|---|---|---|
| 100 | 1 | _aJehlik, P.J., Wakeley, R.E. | |
| 245 | 1 | _aPopulation change and net migration in the North Central States, 1940-50 | |
| 260 |
_aIowa _c1955 |
||
| 300 | _a482-544 p. | ||
| 440 | _aIowa Agricultural Experiment Station. Research Bulletin No. 430 | ||
| 650 | _aPopulation Change, Migration | ||
| 942 |
_2udc _cB |
||
| 901 | _a47085 | ||
| 999 |
_c55744 _d55744 |
||