The Encyclopedia Americana, Volume 7Grolier, 1989 - Encyclopedias and dictionaries |
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Page 136
... tons ) Mapped and Estimated explored total1 Soviet Union 5,900 8,620 North America 1,560 4,080 United States 1,420 ... tons are measured resources . Of the 8,610 billion ton total given in the preceding table , only about 4,305 billion ...
... tons ) Mapped and Estimated explored total1 Soviet Union 5,900 8,620 North America 1,560 4,080 United States 1,420 ... tons are measured resources . Of the 8,610 billion ton total given in the preceding table , only about 4,305 billion ...
Page 143
... tons of bituminous coal per day . Construction of one SNG plant with an out- put of 250 million cubic feet per day , and con- suming 15,000 to 20,000 tons of coal per day , would cost about $ 500 million . Six such plants were planned ...
... tons of bituminous coal per day . Construction of one SNG plant with an out- put of 250 million cubic feet per day , and con- suming 15,000 to 20,000 tons of coal per day , would cost about $ 500 million . Six such plants were planned ...
Page 766
... tons annually . In North America , the United States is estimated to have a reserve of 32.5 million tons and Canada 8.4 million tons . In South America , Chile is es- timated to have a reserve of 46 million tons and Peru 12.5 million ...
... tons annually . In North America , the United States is estimated to have a reserve of 32.5 million tons and Canada 8.4 million tons . In South America , Chile is es- timated to have a reserve of 46 million tons and Peru 12.5 million ...
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