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:
Doctor Mora Doctor Mora Doctor Mora is a Mexican city (and municipality) located in Northeast region of the state of Guanajuato. The municipality has an area of 233.91 square kilometres (0.77% of the surface of the state) and is bordered to the north by Victoria, to the east by Tierra Blanca, to the south by San José Iturbide, and to the west by San Luis de la Paz. The municipality has a population of 24,976 according to the 2015 census. Doctor Mora is named after José María Luis Mora. The municipal president of Doctor Mora and its many smaller outlying communities is