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:
Nelson Mora Nelson Mora Nelson Jesús Mora Molina (born February 6, 1976) is a former butterfly swimmer from Venezuela who won the 200-metre butterfly at the 1995 Pan American Games in Mar del Plata, Argentina. Mora is the first Venezuelan to win a Pan American Games gold medal in swimming. Mora represented his native country in the 1996 Summer Olympics. He attended the University of Miami in Coral Gables, Florida, from 1996 to 1998, where he swam for the Miami Hurricanes swimming and diving team. He was named an honorable mention All-American with 12th-place finish in the 200-yard butterfly (1:47.50) at the