Bayou Corne is the biggest ongoing industrial disaster in the United States you haven’t heard of.

Read more at Mother Jones

What happened in Bayou Corne, as near as anyone can tell, is that one of the salt caverns Texas Brine hollowed out—a mine dubbed Oxy3—collapsed. The sinkhole initially spanned about an acre. Today it covers more than 24 acres and is an estimated 750 feet deep.