The Duke Center for Hyperbaric Medicine and Environmental Physiology is the Southeast's regional referral center for Hyperbaric Medicine. It is a multi-place, critical care-oriented, hyperbaric facility available 24 hours a day. The collection contains lantern slides, 35 mm slides, photographs, negatives, drawings, small artifacts, letters, and clippings. Major subjects include the construction of the lab, the Atlantis dive series, the Apollo missions, and collaboration with the Navy. Materials range in date from 1961 to 2007.