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
Pipeline transport purpose: When a pipeline is built, the construction project not only covers the civil engineering work to lay the pipeline and build the pump/compressor stations, it also has to cover all the work related to the installation of the field devices that will support remote operation. The pipeline is routed along what is known as a "right of way". Pipelines are generally developed and built using the following stages: Russia has "Pipeline Troops" as part of the Rear Services, who are trained to build and repair pipelines. Russia is the only country to have Pipeline Troops. Field devices are instrumentation,