Search MSHA mine safety accident records via US Department of Labor Open Data Portal (~738k accidents at US mines). Each row carries mine id, contractor id, mine subunit (underground/surface/mill/etc.), FIPS state code, accident date, classification, narrative, injury degree + nature + body-part, occupation code, experience, schooling, sex, age. Filter by mine id, contractor id, FIPS state code, subunit code, accident date range, classification code. Source of truth for fatalities + injuries at every US coal + metal/nonmetal mine since 2000.