Page:Off For Hawaii.djvu/259

Rh vast cavern, until it sounded as if a regiment of infantry were at work. Then of a sudden came a grinding, tearing, ripping crash that sounded like the crack of doom. I felt the cavern floor roll and rock, and, catching hold of Dan, both of us fell in a heap. What seemed like a dull explosion followed, and then for a few minutes I knew absolutely nothing.