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.
Deadwood is a city in South Dakota, United States, and the county seat of Lawrence County. It is named for the dead trees found in its gulch. The population was 2,071 as of the 2000 census. The city includes the Deadwood Historic District, a National Historic Landmark District, whose borders may be the city limits.