| 000 | 004200000a22001570004500 | ||
|---|---|---|---|
| 060 | _a100 | ||
| 082 | _a333.72 SMI | ||
| 100 | _aSmith, Gey Harold | ||
| 245 | _aConservation of natural resources | ||
| 250 | _a2 | ||
| 260 | _aNewYork, John Wiley & Sons INC | ||
| 260 | _c1950 | ||
| 300 | _a474 | ||
| 650 | _aEconomics-conservation/ Conservation- Natural resources/ Development- Conservation-America | ||
| 942 | _cBK | ||
| 999 |
_c216489 _d216489 |
||