Two Thousand Miles Below by Charles W. Diffin

Two Thousand Miles Below, by Charles W. Diffin.
Read by Richard Kilmer.

A science fiction novel that was originally produced in four parts in the publication: Astounding Stories in June, September, November 1932, January 1933. The main character is Dean Rawson, who plans on discovering a way of mining power from a dead volcano, but ends up discovering more than he bargained for.