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Hadeland Mining Museum is dedicated to the mines, rocks and minerals of the area who is a classic mining district. The area is famous for its exciting rocks and mineral occurrences. Already in the early 16th century, iron ores mined at Grua were...more
The whole of Grua was known for mining of iron, sink and various other minerals.
A small museum has a nice little collection of minerals, some diagrams of the sink mines, artifacts from the mining operation and a guided tour of the sink mines. If...More