|Address:||Restaurant Bergwerk, Familie Wetzel, Krähstelstrasse 29, 8107 Buchs, Tel: +41-1844-1750.|
|As far as we know this information was accurate when it was published (see years in brackets), but may have changed since then.
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The mine at the Krähstel or Chrästel was used to mine quartz sand for the nearby glassworks at Bühlach. The show mine is maintained by the family Wetzel, which also owns nearby restaurant Bergwerk.