Mealey's (September 17, 2020, 1:34 PM EDT) -- DENVER — A 10th Circuit U.S. Court of Appeals panel on Sept. 16 affirmed a federal judge in Utah's ruling awarding partial summary judgment to the government and entering an injunction requiring defendant companies in a Comprehensive Environmental Response, Compensation, and Liability Act lawsuit to provide complete responses to the U.S. Environmental Protection Agency's requests for information about their corporate histories (United States v. United Park City Mines Co., et al., No. 18-4110, 10th Cir., 2020 U.S. App. LEXIS 29445)....