(February 24, 2020, 3:18 PM EST) -- WASHINGTON, D.C. — The U.S. Supreme Court heard oral arguments today in a hydraulic fracturing pipeline right of way case in which the parties and the justices sparred over which federal agency has authority over the land of the Appalachian Trail and which federal laws apply to the construction of pipelines (Atlantic Coast Pipeline LLC v. Cowpasture River Preservation Association, et al., No. 18-1587, U.S. Forest Service, et al. v. Cowpasture River Preservation Association, et al., No. 18-1584, U.S. Sup. [consolidated])....