Appalachian mine subsidence

Name: Appalachian mine subsidence
Uploaded: 2013-07-25T12:00:00+00:00
Duration: 88 s
Description: A century of underground coal mining leaves Appalachian towns sinking into hidden voids.

JUL 25 2013 · 12:00

A century of underground coal mining leaves Appalachian towns sinking into hidden voids.

Source: YouTube

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Appalachian mine subsidence

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