A mass tort is a civil action involving numerous plaintiffs against one or a few corporate defendants. The tort may involve, for example, personal injuries suffered by numerous plaintiffs as a result of a defective product, or a mass disaster in which there were many injured persons, such as an airplane crash, or exposure of a large group of people to toxic chemicals or pharmaceuticals.
Lefor is an unincorporated community in southern Stark County, North Dakota, United States. It lies southeast of the city of Dickinson, the county seat of Stark County. Its elevation is 2,592 feet (790 m). Lefor's post office closed November 2, 2002, but the town still has its own ZIP code of 58641. . Lefor is part of the Dickinson Micropolitan Statistical Area.