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twodogsbarking

(15,421 posts)
2. The area is heavy with limestone. There are many quarries. Sinkholes are more prevalent in such areas.
Fri Aug 22, 2025, 09:53 AM
Aug 22

They also collect ground water run off and into the earth it goes. Subsidence can be from underground mines. Many aren't far below the surface depending on where the coal veins are.

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