Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Mines of Rammelsberg, Historic Town of Goslar and Upper Harz Water Management System' has mentioned 'Bed' in the following places:
Occurrence Sentence Text Source
Ore mining started in the "Old Bed" or "Old Orebody" (Altes Lager), exposed on the surface by erosion, during the Bronze Age.
[1] The "New Bed" (Neues Lager) was only discovered in the 19th century as a result of specific exploration.