Category:Mines in Hesse opened in the 1970s
Federal states of Germany:
Mines in Hesse opened in the 20th century: ◀ · 1900s · 1910s · 1920s · 1930s · 1940s · 1950s · 1960s · 1970s · 1980s · 1990s · ▶
See also category: Mines in Hesse closed in the 1970s.