Diabase quarry, Kupferberg, Kulmbach District, Upper Franconia, Bavaria, Germany

The "Grünsteinwerke von Joh. Schicker" diabase quarry partial view (top), and rock crusher and loading station (bottom), near Kupferberg, ca. 1910. Vintage hand-colored picture postcard, publisher unknown. G. Grundmann collection.

© Günter Grundmann, Detmold, Germany

Quarry view from the opposite side of the valley, where a smaller part of it is located

The "Kupferberg" quarry crew, in 1913. Vintage real photo postcard, photographer unknown. The card was sent on 9 March 1913 from Kupferberg to Coburg. G. Grundmann collection.

© Günter Grundmann, Detmold.