Note 4 — PART II.
Reading edition
Lord Dunraven says, "The crust feels as if it might break through at any moment and drop you into fire and flames beneath, and the animals tread gingerly upon it.... It is dangerous ground; I have not heard of any accident up to this time; no modern Korah, Dathan, and Abiram as yet have been engulfed alive; but the visits to these regions have been, like those of angels, few and far between."