The discovery of a potential archaeological site in the Straits of Mackinac last fall has opened the door for a Michigan tribe to pursue a new, longshot legal strategy to stop the planned Line 5 pipeline tunnel project.
The Little Traverse Bay Bands of Odawa Indians passed a resolution in January instructing its historic preservation office to begin compiling research for an application to classify the straits as a Traditional Cultural Property, a rarely used federal designation under the National Register of Historic Places.
https://energynews.us/2021/04/01/michigan-tribe-seeks-cultural-property-protection-in-path-of-line-5-project/