Rocks for Roads
Jun 23, 2009 - 00:00:56
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Transcript -- Longterm sustainability of quarries
Transcript -- A look at the road laying process. The need to supply locally, use natural road products and protect the environment around quarries.
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Transcript -- Longterm sustainability of quarries is an episode from Earth's physical resources: rocks for roads - for iPad/Mac/PC. Transcript -- A look at the road laying process. The need to supply locally, use natural road products and p...
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This episode belongs to Earth's physical resources: rocks for roads - for iPad/Mac/PC.
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Published Jun 23, 2009, audio available.
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