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Darkest depths and other underground megastructures
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Darkest depths and other underground megastructures
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19 Total copies, 18 Copies are in, 1 Copies are out.
Describes the technology and engineering used to build deep mines, to drill for oil, and to build deep underground tunnels.
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Authors
Graham, Ian, 1953-
Subjects
Underground construction.
Language
English
Series
Megastructures