I found this picture[1] via http://www.sketchyscience.com/2015/05/sinkholes-natures-most-awful-trick.html http://www.sketchyscience.com/2015/05/sinkholes-nature

I found this picture[1] via http://www.sketchyscience.com/2015/05/sinkholes-natures-most-awful-trick.html http://www.sketchyscience.com/2015/05/sinkholes-natures-most... which shows visually what actually happened with the drill. -- [1] http://1.bp.blogspot.com/--Q5XY2Gkwns/VVK8dT2pPSI/AAAAAAAACG0/Dj3Ptr8yJIs/s1600/6_-_Mistakes_were_Made_Today%5B1%5D.png http://1.bp.blogspot.com/--Q5XY2Gkwns/VVK8dT2pPSI/AAAAAAAACG...