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Dark Ecology: Drilling Deep
"Until 2008 the Kola Superdeep Borehole near the Russian mining town Zapolyarny on the Kola Peninsula was the deepest borehole in the world. No borehole is as legendary as the Kola Superdeep, which really was a telescope probing the Earth."
engineering  eco 
september 2014 by warrenellis
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