The Tenth Circuit affirmed in part and reversed in part a lower court's decision in a challenge to a natural gas pipeline company's expired easement on tribal land. The pipeline company appealed the district court's granting of summary judgment to tribal members on their trespass claims, arguing tha...

A district court dismissed a Native American tribe's lawsuit challenging a proposed sulfide mine along the banks of the Menominee River, which forms the border between Wisconsin and Michigan's Upper Peninsula. The tribe argued, pursuant to the Act's citizen suit provision, that EPA and the U.S. Army...