Brunssum, Italy
The Dutch State Mine (DSM) Hendrik, in Dutch Staatsmijn Hendrik, was a coal mine located in Brunssum. It was run by the Dutch state through its company DSM. The mine was in operation from 1915 until 1963, when it was integrated with DSM Emma. DSM Hendrik was named after Queen Wilhelmina's husband He
nry of Mecklenburg-Schwerin. The mine had four shafts. Shaft number 3 was a ventilation shaft on the Brunssummerheide near Nieuwenhagen. Shaft number 4 was the deepest at 1,058 metres (3,471 ft). Total production was 61.2 megatons of gas-rich coal that was used to produce coke.
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