Transactions of the Commonwealth Club of California, 第 73 卷

areas Become Energy Self-Sufficient bituminous box cut capital carbon dioxide century CLUB OF CALIFORNIA coal industry coal mining coal production coal reserves coal supplies combustion of coal Commonwealth Club conservation cost demand developing economic electric power eminent domain emissions energy sources Environment and Energy environmental impact equipment Expanded coal feet foreign oil fossil fuels future geothermal geothermal power increase labor lignite ment National Energy Plan natural gas nitrogen oxide Northern Great Plains nuclear power oil and gas oil imports operators outlook for coal output percent pollution power plant present PRESIDENT GARRETSON produce methanol projected railroads recent reclamation reduce regulatory reserve base safety scrubbers Section on Environment spoil strip mining sub-bituminous Sub-bituminous Coal sulfur surface mining tion tonnage transportation U.S. Become Energy U.S. Coal U.S. Geological Survey underground mining utilities vironmental West western coal Ygnacio Bonillas