(September 3, 2019, 12:49 PM EDT) -- RICHMOND, Va. — The U.S. Fish and Wildlife Service (FWS) on Aug. 29 filed a brief in the Fourth Circuit U.S. Court of Appeals arguing that a stay sought by groups that oppose the Mountain Valley Pipeline, which would carry hydraulically fractured oil and gas through West Virginia and Virginia, should be denied because the groups cannot show that they will suffer irreparable harm (Wild Virginia, et al. v. U.S. Department of the Interior, et al., No. 19-1866, 4th Cir.)....