About Staatsmijn Maurits
Staatsmijn Maurits was a state-owned coal mine in Geleen, Netherlands. In 1911 the Dutch Government bought the concessions "Maasvelden". In 1912 and 1913 drillings were carried out by the Internationale Bohrgesellschaft Erkelenz in the areas west of the Staatsmijn Emma and Staatsmijn Hendrik concessions.