The Doggerstollen was a subcamp of the Flossenbürg concentration camp in World War II, close to the village of Happurg. It was an underground factory, where the production of BMW aircraft engines was planned. The Doggerstollen was built by approximately 9500 prisoners of whom 4000 died.
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Address 91230, Germany
Coordinates 49°29'21.855" N 11°28'46.409" E
