Four divers died as the result of an attempt to clear old cars
March 15, 1997, Central Washington Four divers died as the result of an attempt to clear old cars from an irrigation siphon. The first two divers broke through ice to enter the 40-degree water; one wore a drysuit, and the other wore a wetsuit. Each recreationally-trained diver had one tank, and they also had a shared emergency tank. They had planned to connect towlines to the cars that had been washed into the siphon from a connecting...