Oral history interview with Walter Clark and Dave Hall. The two men are talking and getting into an automobile. Doors shutting, engine ignition sounds are heard
Public health warning sign for elevated levels of selenium in fish and waterfowl taken from the Stewart Lake Waterfowl Management Area in Stewart, Utah, posted by the Utah Department of Health.
David L. Spencer oral history interview with Jim King. Please note: Dave passed away February 9, 2000, before these tapes were transcribed and he had the opportunity to edit the draft.