(Illustration by Paul) Then suddenly there came a terrific roar. The earth shook as thousands of tons of rock crashed into the passage sealing it forever. 992 __ i - i * - —
Internet Archive · Public domain (published before 1931). Free to use for anything.
![An illustration from Amazing Stories v04 n02 [1929-05] (1929)](https://img.insideoutlibrary.com/img/200/ia-amazing-stories-v-04-n-02-1929-05-fixed-sas-10-0.webp)
