Roeros is an historic mining town on the Glomma-River in Mid-Norway right on the Swedish boarder, where once copper was exploited. It is a UNESCO-World Heritage. The wooden cabins of the miner families were built next to the slag-heaps. Remarkable is that there are almost no plants on the rather old heaps. This may be caused by sulfur compounds in the slag.
| Glomma-River |
| Glomma-River |
| in the Olav Pit |
| pit props not necessary |
| oxidized copper -ore |


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