A home destroyed by mine subsidence from old, abandoned room and pillar mining

Sinkhole subsidence in someone's lawn from old, abandoned mining

Trough subsidence from longwall mining on interstate79.

A house being stabilized by pumping fly ash grout into the mine void below. (Office of Surface Mining)

A longwall subsidence trough which
has passed under railroad tracks

A building destroyed by
mine subsidence in the anthracite
coal region of Eastern Pennsylvania

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