Fortunately, there is so much underground still. It is a vast place, and there is plenty more under the surface for future generations that are better educated.


Marguerite Holloway - Scientific American, October 1994


Fortunately, there is so much underground still. It is a vast place, and there is plenty more under the surface for future generations that are...

Fortunately, there is so much underground still. It is a vast place, and there is plenty more under the surface for future generations that are...

Fortunately, there is so much underground still. It is a vast place, and there is plenty more under the surface for future generations that are...

Fortunately, there is so much underground still. It is a vast place, and there is plenty more under the surface for future generations that are...