"In a new bid to stop the Keystone XL pipeline, two Native American communities are suing the Trump administration, saying it failed to adhere to historical treaty boundaries and circumvented environmental impact analysis. As a result, they are asking a federal judge in Montana to rescind the 2017 permit and block any further construction or use of the controversial pipeline.

The Fort Belknap Indian Community of Montana and the Rosebud Sioux Tribe of South Dakota contend there was no effort to study how the 1,200-mile pipeline project through their respective territories would affect their water systems and sacred lands."

---https://www.npr.org/2018/09/10/646523140/native-american-tri...