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| Country/geo | Colonial Nigeria, incl. British Cameroons |
| Subject | Drinking water supply, sewerage, general |
| superordinated | Medical services, hygiene, medical institutions |
| Signature | C60 : e4 Sm2.I |
| URI | http://purl.org/pressemappe20/folder/sh/141409,144268 |
| ID | sh/141409,144268 |