Category:Mines in North Rhine-Westphalia opened in 1775

Federal states of Germany:

North Rhine-Westphalia

Mines in North Rhine-Westphalia opened in the 1770s : 1771; 1773; 1775; 1777; 1779; →

Subcategories

This category has only the following subcategory.

B

Zeche Billigkeit‎ (5 F)

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