Category:Mines in North Rhine-Westphalia opened in the 1820s
Federal states of Germany:
Mines in North Rhine-Westphalia opened in the 19th century: ◀ · 1800s · 1810s · 1820s · 1830s · 1840s · 1850s · 1860s · 1870s · 1880s · 1890s · ▶
See also category: Mines in North Rhine-Westphalia closed in the 1820s.
Subcategories
This category has the following 5 subcategories, out of 5 total.