Yazar
William Downing Watson
2 cilt bulundu.
Cilt sonuçları
Economic effects of western Federal land use restrictions on U.S. coal markets
William Downing Watson · Free on application to the Books and Open-File Reports Section, U.S. Geological Survey
197 sayfa · 1991
Public lands / Government policy / Coal trade / Coal / Costs
Costs of air pollution control in the coalfield electric power industry
William Downing Watson · University of Minnestoa
198 sayfa · 1970
Air / Coal / Economic aspects / Electric power-plants / Environmental aspects