Occurrence of Attributes in Original Text
The text related to the cultural heritage 'Zollverein Coal Mine Industrial Complex in Essen' has mentioned 'Mining' in the following places:
| Occurrence Sentence | Text Source |
|---|---|
| The first coal mine on the premises was founded in 1847, and mining activities took place from 1851 until December 23, 1986. | WIKI |
| In 1847, Haniel founded a company he named bergrechtliche Gewerkschaft Zollverein (Mining Law Labor Union Zollverein). | WIKI |
| There was a mining law (Bergrecht) in Prussia to encourage the exploitation of natural resources. | WIKI |
| The first mining activities started in 1851. | WIKI |
| By 1897, Zollverein had long suffered from many mining accidents due to firedamp caused by ventilation problems. | WIKI |
| To resolve these problems, additional ventilation-only shafts, close to the existing mining shafts, were opened: in 1899 Shaft 7 was opened near Shaft 3, in 1900 Shaft 8 was opened near Shafts 1 and 2, and in 1905 Shaft 9 was opened near Shaft 6. | WIKI |
| In 1920, the Haniel family, who had been the owners of Zollverein until then, started cooperating with Phxc3xb6nix AG, a mining company that subsequently took over the management of the site. | WIKI |
| In 1928, the GBAG voted for the construction of a totally new twelfth shaft designed as a central mining facility. | WIKI |
| The shaft's characteristic Doppelbock winding tower in the following years not only became the archetype of many later central mining facilities but also became a symbol of German heavy industry. | WIKI |
| In 1968, Zollverein was handed over to Ruhrkohle AG (RAG), Germany's largest mining company. | WIKI |
| RAG began a further mechanization and consolidation of mining activities. | WIKI |
| The Flxc3xb6z Sonnenschein coal layer in the north of the Zollverein territory was the last layer in which mining activities took place on Zollverein territory, starting in 1980. | WIKI |
| Whereas the coking plant remained open until June 30, 1993, mining activities in Shaft 12 stopped on December 23, 1986. | WIKI |