Sandstone quarry in Krauchtal, near Berne (Switzerland). In this 19th century quarry, trenches were cut with double picks on descending platforms, with a heavily deteriorated one visible at center. Photo by PER STOREMYR.
Sandstone quarry in Krauchtal, near Berne (Switzerland). In this 19th century quarry, trenches were cut with double picks on descending platforms, with a heavily deteriorated one visible at center. Photo by PER STOREMYR.
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Per Storemyr Geoarchaeology & Conservation 
