Dannemora mine [SEP] product
Dannemora mine
The Dannemora mine ("Dannemora gruvor") at Dannemora in Uppsala County, Sweden was once one of the most important iron ore mines in Sweden. The mine was closed by its owners SSAB in 1992. It may have been open since the 13th century, but the first documentary reference was in 1481. 
The mine has a depth of 640 metres and supplied oregrounds iron by the Walloon process ("Vallonsmide") using a blast furnace and finery forge. Ironworks making sites included Österbybruk and Lövstabruk)
declined since the late 19th century through closures and mergers. In 1937 the four remaining owners (Fagersta Bruk, Iggesunds Bruk, Hargs Bruk and Stora Kopparbergs Berglag) formed AB Dannemora Mines. In 1974 Stora Kopparberg became the sole owner of the Dannemora mine. Only four years later, during the crisis that hit the Swedish steel industry in the late 1970s, however, the state-owned SSAB was forced to take over the mine.
Current Status.
The current owner is Dannemora Mineral AB, which was listed May