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Civilization began with the birth of metallurgy and the first application of the mine to tap the hidden wealth of Planet Earth. Since the Egyptian Bronze Age, every temple and cathedral, every castle, every public building has depended upon stone from the quarries and tools constructed from mined metal.

Keywords

Lunar Surface Lunar Regolith Solar Sail Oort Cloud Kuiper Belt Object 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media, LLC 2007

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