United States v. Michael Pryce, United States of America v. Nathaniel M. Gaskins, A/K/A Andre Michael Redman, "Terry", United States of America v. Calvin L. Thomas, A/K/A "Peter", United States of America v. Antonio Donovan, A/K/A Howard Turner, Donovan Antonio, "Jerry"FiledSep 20, 1991 Williams Natural Gas Company v. Federal Energy Regulatory Commission, Texas Gas Transmission Corporation, Amoco Production Company, Southern California Gas Company, Panhandle Eastern Pipe Line Company and Texas Eastern Transmission Corporation, Independent Oil and Gas Association of Pennsylvania, Union Pacific Resources Company, Arco Oil and Gas Company, Division of Atlantic Richfield Company, Texaco, Inc., Pennzoil Exploration and Production Company and Pennzoil Gas Marketing Company, Enserch Exploration, Inc., National Association of Gas Consumers, Intervenors. Arco Oil and Gas Company, Division of Atlantic Richfield Company v. Federal Energy Regulatory Commission, Williams Natural Gas Company, Independent Oil and Gas Association of West Virginia and Pennsylvania Natural Gas Association, Panhandle Eastern Pipe Line Company and Texas Eastern Transmission Corporation, IntervenorsFiledSep 6, 1991