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Subjects| Subjects term | Scope note | Archival description count | Authority record count |
|---|---|---|---|
| Suelos | 2 | 0 | |
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| Planificación | 18 | 0 | |
| Construcción | 9 | 0 | |
| Industrialización | 7 | 0 | |
| Historia | 12 | 1 | |
| Geografía | 4 | 0 | |
| Energía | 5 | 0 | |
| Contaminación | 1 | 0 |