(October 12, 2015, 8:13 AM EDT) -- SALT LAKE CITY — A hydraulic fracturing company that is an intervener-defendant in a lease dispute between a collection of environmental groups and the U.S. Department of the Interior (DOI) on Sept. 30 filed a brief in Utah federal court arguing that it should be permitted to supplement the administrative record (Southern Utah Wilderness Alliance, et al. v. U.S. Department of the Interior, et al., No. 15-00194, D. Utah)....