<a href="https://en.wikipedia.org/wiki/Lake_Peigneur" id="mw9A" rel="mw:WikiLink" title="Lake Peigneur">Lake Peigneur</a> in <a href="https://en.wikipedia.org/wiki/Louisiana" id="mw9Q" rel="mw:WikiLink" title="Louisiana">Louisiana</a> drains into an underlying <a href="https://en.wikipedia.org/wiki/Salt_mining" id="mw9g" rel="mw:WikiLink" title="Salt mining">salt deposit</a>. A misplaced <a href="https://en.wikipedia.org/wiki/Texaco" id="mw9w" rel="mw:WikiLink" title="Texaco">Texaco</a> oil probe had been drilled into the Diamond Crystal Salt Mine, causing water to flow down into the mine, eroding the edges of the hole.