1962 Press Photo Dr. Harry Heimann & others at Washington news conference.

Three Public Health Service officials, at a special news conference today in Washington, discuss the potential danger in the planned salvaging of poisonous chlorine chemical from a sunken Mississippi River barge. From left: Arthur C. Stern, Sim Shettuck and Dr. Harry Heimann. They said plans are being made for the possible evacuation of up to 80,000 people in Mississippi and Louisiana should anything go wrong with the operation.

Photo is dated 1962.

Photo measures 10 x 8.25 inches.