Pipeline operators sued Michigan after it threatened to revoke an easement for use of the bottomlands in the Straits of ...

which link Lake Michigan and Lake Huron. Enbridge has been using the pipeline since 1953 to transport crude oil and natural gas liquids between Superior, Wisconsin, and Sarnia, Ontario.

A panel of state appeals court judges in Michigan upheld a permit issued ... to replace a 4-mile segment of its Line 5 oil and gas pipeline where it crosses under the Straits of Mackinac.