The Encyclopedia Americana, Volume 7Grolier, 1988 - Encyclopedias and dictionaries |
From inside the book
Results 1-3 of 65
Page 137
COAL : 4. Coal Mining and Production COAL MINING PROCEDURES COAL : 4. Coal Mining and Production COAL : 4. RECOVERABLE COAL RESOURCES Soviet Union North America United States Europe Asia Africa Oceania Latin America World total ( Mapped ...
COAL : 4. Coal Mining and Production COAL MINING PROCEDURES COAL : 4. Coal Mining and Production COAL : 4. RECOVERABLE COAL RESOURCES Soviet Union North America United States Europe Asia Africa Oceania Latin America World total ( Mapped ...
Page 142
COAL GASIFICATION COAL GASIFICATION COAL LIQUEFACTION - COAL TAR. 142 tors had strong competitive reasons to keep costs and prices low by raising productivity . The increasing refuse that accompanies mech- anization requires the ...
COAL GASIFICATION COAL GASIFICATION COAL LIQUEFACTION - COAL TAR. 142 tors had strong competitive reasons to keep costs and prices low by raising productivity . The increasing refuse that accompanies mech- anization requires the ...
Page 144
COAL LIQUEFACTION - COAL TAR COAST GUARD. 144 UNDERGROUND GASIFICATION OF COAL The United States , Britain , and the Soviet Union have made tests to gasify coal under- ground to obtain a low - Btu gas . In this ap- proach , input- and ...
COAL LIQUEFACTION - COAL TAR COAST GUARD. 144 UNDERGROUND GASIFICATION OF COAL The United States , Britain , and the Soviet Union have made tests to gasify coal under- ground to obtain a low - Btu gas . In this ap- proach , input- and ...
Other editions - View all
Common terms and phrases
19th century Africa American Atlantic cod became Bogotá born Britain British church civil Clark Clay Cleisthenes Cleveland climate clocks cloture cloud clubs coal coal tar Coast Guard coeducation coffee coinage coins coke College Colombia colonies color Colorado Columbia Columbus comets comic commercial common cold common law Commonwealth COMMONWEALTH OF NATIONS Communist countries courts developed died early East economic elected Empire England English established Europe European federal France French higher education important Indian industry institutions Island known Krazy Kat land later latitudes major ment meters miles mountain Museum National North Ocean organization party period plants political Population president produced programs region River Roman served social South southern Soviet Soviet Union species temperature tion trade treaties Union United University usually West western World World War II York