Enbridge Pipeline System and lower peninsulas of Michigan before crossing into Ontario, while the southern route circles south of Lake Michigan through Illinois and Indiana before reaching Michigan. There are 59 pumping stations in the pipeline system, and the actual pipes range in diameter from . One major junction point is in Clearbrook, Minnesota where the pipeline connects to the Minnesota Pipeline, which carries crude to the Pine Bend Refinery in Rosemount, Minnesota. The North Dakota Pipeline Company system of pipeline also has a connection in Clearbrook, linking the Mandan Refinery in Mandan, North Dakota. The Murphy Oil refinery in Superior, Wisconsin, is
Central Europe Pipeline System European countries, known as the Northern European Pipeline System (NEPS). The pipeline system was founded in the late 1950s by NATO being funded as part of the NATO Common Infrastructure Program, with the various participating countries already having some of the infrastructure and capabilities required to operate such a system. In the 1980s, the pipeline was attacked several times by terrorist organizations. The Belgian communist terrorist organisation Communist Combatant Cells carried out five bombings against the pipeline on 11 December 1984, and one more attack on 6 December 1985. Earlier that year, in April 1985, a bomb attack was carried