Monument commemorating the mining tragedy at the Jupiter mine.

In the second half of the 19th century, the deep Jupiter mine was opened in the places of the former Lake Como, which was drained. A coal seam up to 21 meters thick at a depth of 56 meters was mined here.
Due to the small height of the overburden, there were frequent sinkholes - so-called pinnacles. These were then filled with rain and surface water. In the winter of early 1902, there was heavy snowfall and rainfall, and there was also…