Aller Reichtum lag in der Erde
Subtitle: die Geschichte des Bergbaus im Oberbergischen Kreis
By: Alfred Nehls.
Publisher: Gronenberg
Published: 1993
Place of publication: Gummersbach
Language: ger
Number of pages: 431
Subjects: Mines and mineral resources -- Germany -- Oberbergischer Kreis -- History.
Notes: Includes bibliographical references (p. 414-424) and index.
Two folded maps in pocket.