Occurrence of Attributes in Original Text
The text related to the cultural heritage 'Mines of Rammelsberg, Historic Town of Goslar and Upper Harz Water Management System' has mentioned 'Tonnes' in the following places:
| Occurrence Sentence | Text Source |
|---|---|
| After more than 1000 years during which almost 30 million tonnes of ore were extracted, the mine was finally closed by the Preussag company on 30 June 1988 as the mineral deposits had been largely exhausted. | WIKI |