Siljan (lake) in the center of the ring, distant from the ring sediments and from Gravberg-1. This well went to a depth of . The hole produced gases and oily magnetite sludge similar to those found in Gravberg-1. Siljan (lake) Siljan, in Dalarna in central Sweden, is Sweden's sixth largest lake. The cumulative area of Siljan and the adjacent, smaller lakes Orsasjön and Insjön is . Siljan reaches a maximum depth of , and its surface is situated above sea level. The largest town on its shore is Mora. The lake is located around the southwestern perimeter of the Siljan Ring (Swedish:
Mora witch trial a series of witch trials around the country, where children pointed out adults for having abducted them to take to Satan riding on cattle taken from the barns of wealthy farmers. In Älvdalen, thirty people were put on trial and eighteen sentenced to death: the national court revoked eleven death sentences and executed six women and one man 19 May 1669. These people were executed on the testimonies of children, which was to be common during this witch hunt. In March 1669, the hysteria reached Mora. The bailiff informed the governor: "In Älvdalen and Mora, children and teenagers are being