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:
Trans-European Airport network the poor quality of the inland transport infrastructure. Airports in all three categories are shown on this map (13 MB), p. 103 In addition to the above characteristics, International and Community connecting points should also be gradually linked to the Trans-European high-speed rail network, where appropriate. The network should include the infrastructures and the facilities which permit the integration of air and rail transport services and, where appropriate, maritime transport services. Trans-European Airport network The Trans-European Airport network is one of a number of the Trans-European Transport Networks (TEN-T) of the European Union. According to Article 13 of the Decision