A district court preliminarily enjoined BLM from conducting oil and gas lease sales under the procedures of a new BLM directive. Environmental groups argued that the directive unlawfully constrains environmental review of, and public participation in, oil and gas lease decisions that affect and thre...

The Ninth Circuit affirmed a summary judgment rejecting a mining association's challenge to an Oregon law that prohibits the use of motorized mining equipment in rivers and streams containing essential salmon habitat. The association argued that the law was field preempted by the federal 1872 Mining...