article_snippet: Diver teams had to rotate every five minutes, according to the Dallas Morning News.
article_snippet: Dive teams had to rotate every five minutes because the freezing water impacted Dive teams ability to function and coordinate Dive teams efforts, according to a fire department spokesman .
highlights_snippet: Divers spent an hour in rescue efforts, but were daunted by darkness and freezing cold water and had to rotate every five minutes .
  