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Coal (Fueling the Future)
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David M. Haugen |
"Discussion of advantages and disadvantages associated with the use of coal as a source of energy."--From source other than the Library of Congress |
OL1984450W |
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From ore to spoon
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Ali Mitgutsch |
After iron ore is mined, it is poured into a blast furnace with limestone and coke and melted into molten iron. Air and alloys are added resulting in strong steel used for making spoons and many othe… |
OL4031454W |
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From swamp to coal
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Ali Mitgutsch |
Describes how coal is formed by the earth and the methods used to mine it. Also discusses some of the uses of this mineral. |
OL4031458W |