prepared by Lewin and Associates, Inc. ; prepared for U.S. Department of Energy, Assistant Secretary for Fossil Energy, Office of Oil, Gas and Oil Shale, under contract no. DE-ACO1-78ET12072
prepared by Lewin and Associates, Inc. ; prepared for U.S. Department of Energy, Assistant Secretary for Fossil Energy, Office of Oil, Gas, and Oil Shale under contract no. DE-AC01-78ET12072