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| 622 (828.3) (047) (1) |
| hierro (1) |
| magnetometría (1) |
| Río Negro (Argentina) (1) |
| Sierra Grande (Río Negro, Argentina) (1) |
| yacimiento (1) |
| 622 (828.3) (047) (1) |
| hierro (1) |
| magnetometría (1) |
| Río Negro (Argentina) (1) |
| Sierra Grande (Río Negro, Argentina) (1) |
| yacimiento (1) |