View of the Erbreichschacht mine in the Rydułtau mining area, in 1921.
Ignacy-Hoym coal mine, Niewiadom, Rybnik, Silesian Voivodeship, Poland
The “Erbreich-Schacht” in Czernica near Rybnik (later => KWK Ignacy-Hoym), in 1898. Vintage picture postcard, publisher unknown. The card was sent on 23 September 1921 from Rydultau to Paris.
G. Grundmann collection.
© Günter Grundmann, Detmold.