(October 4, 2023, 10:28 AM EDT) -- ANCHORAGE, Alaska — A coalition of environmental groups and Native Americans on Oct. 3 filed a brief in Alaska federal court arguing that it should strike extra-record materials submitted by intervenor defendants in a dispute over hydraulic fracturing operations in the National Petroleum Reserve-Alaska as part of what is known as the Willow Project. The groups say the intervenors fail to carry their burden to demonstrate that submission of their extra-record documents was proper....