Frühe Stätten des Ruhrbergbaues
By: Gustav Adolf Wüstenfeld.
Publisher: Wüstenfeld
Published: 1975
Place of publication: Wetter/Wengern; Witten
Language: ger
Number of pages: 64
Subjects: Coal mines and mining -- Germany -- Ruhr (Region) -- History.; Coal trade -- Germany -- Ruhr (Region) -- History.
Notes: Bibliography: p. 61.