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Fotothek df tg Bergbau Bergwerk Rute Grube Rutengnger. Creator Georgius Agricola Johann Becher Scan Deutsche Fotothek dftg color MIKCenter Berlin GmbH Frankfurt Main Die Suche nach Erzvorkommen Rutengnger Papier Holzschnitt cm Bergbau Bergwerk Rute Grube Rutengnger ppn Druck Deutsche Fotothek gefrdert von der Deutschen