Views of the Kupferberg diabase quarrying area, ca. 1910.
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