1600s - heyday
During the Swedish Great Power period in the 1600s, said the mine at times for two-thirds of the European copper demand. National Council of Stockholm called the mine of the treasuries and treasury. Mine was the largest industrial site in the country, at times, more than 1,000 men a day in the mountain. In 1650 the mine was very top with a production of more than 3,000 tonnes of raw copper.
The first Swedish mining map was made in 1629 over the mine. The maps were part of the process of getting a better organization and safer mining. Despite the marked mines often by greed and ruthless exploitation. The hard break led to several major landslides and the collapse in 1687 is considered to be the end of the mine's heyday.