Cross reference
Genesis 7:20
20 The waters prevailed fifteen cubits upward, and the mountains were covered.
Psalms 104:6
6 You covered it with the deep as with a cloak. The waters stood above the mountains.
Jeremiah 3:23
23 Truly in vain is [the help that is looked for] from the hills, the tumult on the mountains: truly in Yahweh our God is the salvation of Israel.