DVD 8 Years Ago September 8, 2015 Salt of the Earth DVD US Release DateThe movie Salt of the Earth is already released on DVD in the USA. Release Dates!Report Date / Submit ProductUSAAllUSAUKReport Date / Submit ProductDVDSeptember 8, 2015ConfirmedTrackingTrack1TRACK0Buy NowSalt of the EarthMovieAll VersionsBlu-rayDVDMexican-American workers at a zinc mine strike to obtain equal pay with Anglo workers in other mines. Based on actual events at the Empire Zinc Mine in New Mexico.Herbert J. BibermanWill GeerDavid WolfeDramaHistory