United States of America, the Louisana Department of Environmental Protection and the State of Wisconsin v. Murphy Oil USA, Inc.
United States of America v. Mascot Mines, Inc., United Resources Holdings Group, Inc., Nabob Silver-Lead Company, and Zanetti Brothers, Inc.
United States of America v. Mascot Mines, Inc, United Resource Holdings Group, Inc. Nabob Silver-Lead Company and Zanetti Brothers, Inc.