It holds an inconceivably large aquifer beneath it. In some places under enormous positive pressure so geysers shoot up after drilling. https://en.m.wikipedia.

It holds an inconceivably large aquifer beneath it. In some places under enormous positive pressure so geysers shoot up after drilling. https://en.m.wikipedia.org/wiki/Great_Artesian_Basin https://en.m.wikipedia.org/wiki/Great_Artesian_Basin People are reasonably protective of that aquifer, but in an imaginary Earth, one with save states you could revert back to, it would be interesting to pump it all up and see what happens.