Mealey's (January 11, 2019, 10:23 AM EST) -- DENVER — Residents, environmental organizations and nuclear workers advocacy groups on Jan. 10 filed a petition in Colorado federal court seeking disclosure of certain documents related to a federal grand jury that was impaneled to investigate alleged criminal actions related to a former nuclear weapons plant that state and federal authorities now contend is safe for recreation and could be used for hydraulic fracturing (In re: Petition of Alliance of Nuclear Workers Advocacy Groups, et al., No. 19-76, D. Colo.)....