Description:
In the vicinity of the building Münsterplatz 18 stood around 300 AD, a Sodbrunnen. Today, a circular cast-iron plate marks its former location in the paving. The Sodbrunnen reached down to a water-bearing layer at a depth of 20 meters. From this, the fountain was continuously fed with new water. After the excavation he was backfilled for security reasons.
finding:
The Sodbrunnen was discovered in 1944 and excavated.
Source: https://www.archaeologie.bs.ch/vermitteln/info-stellen/muensterplatz.html