Category:Mines opened in the 18th century
Mines by date of opening: (BCE) 2nd century · (CE) 1st century · 2nd century · 3rd century · 8th century · 9th century · 11th century · 12th century · 13th century · 14th century · 15th century · 16th century · 17th century · 18th century · 19th century · 20th century ·Subcategories
This category has the following 12 subcategories, out of 12 total.