Dugway Sheep Incident

Date: March 17, 1968 • Location: Tooele County, United States

Six thousand sheep were killed on ranches near Dugway Proving Ground in Utah as a result of the U.S. Army spraying a nerve agent.

Dugway Proving Ground (DPG) is a United States Army facility established in 1942 to test biological and chemical weapons, located about 85 miles (137 km) southwest of Salt Lake City, Utah, and 13 miles (21 km) south of the 2,624-square-mile (6,800 km2) Utah Test and Training Range.