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4 résultats pour : copper slate mining

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Copper slate mining spoil heap near Volkstedt, open concrete silo for acid feed on the right
BRK25C19_090

Copper slate mining spoil heap near Volkstedt, ope...

Copper slate mining spoil heap near Polleben
BRK25C35_078

Copper slate mining spoil heap near Polleben

Copper slate mining spoil heap near Polleben
BRK25C27_045

Copper slate mining spoil heap near Polleben

Polished copper slate handpiece with so-called ore ruler from the Mansfeld mining area
BRK23H12_183

Polished copper slate handpiece with so-called ore...