Mealey's (March 29, 2023, 2:08 PM EDT) -- BROOKLYN, N.Y. — A mine operator will pay $55.9 million to settle federal securities law claims brought by the Securities and Exchange Commission alleging that the mine operator concealed material risks with the safety and stability of a wastewater dam, which collapsed, killing 270 people and causing significant pollution damage to the surrounding area, according to letters the SEC and the mining operator filed in New York federal court on March 28....