“The big icebergs that drift into warmer water melt much more rapidly under water than on the surface, and sometimes a sharp, low reef extending two or three hundred feet beneath the sea is formed. If a vessel should run on one of these reefs half her bottom might be torn away.”

“The big icebergs that drift into warmer water melt much more rapidly under water than on the surface, and sometimes a sharp, low reef extending two or three hundred feet beneath the sea is formed. If a vessel should run on one of these reefs half her bottom might be torn away.”

— Edward Smith