They are studying an old phenomenon, methane has been escaping from natural fractures in this area for years, see this interesting article on the Moving Mountain in the July 1933 Popular Mechanics, page 29.
https://books.google.com/books... mountain durango&f=false
They are studying an old phenomenon, methane has been escaping from natural fractures in this area for years, see this interesting article on the Moving Mountain in the July 1933 Popular Mechanics, page 29. https://books.google.com/books... mountain durango&f=false