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| http://purl.org/pe-repo/ocde/ford#2.07.05 (2) |
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| Geología (2) |
| http://purl.org/pe-repo/ocde/ford#2.07.05 (2) |
| Minería (2) |
| Botadero (1) |
| Geoquímica (1) |
| Pique (1) |