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 better educated.
Marguerite Holloway - Scientific American, October 1994