Mealey's (January 6, 2017, 1:59 PM EST) -- PHILADELPHIA — A Pennsylvania municipality on Jan. 4 filed a brief in the Third Circuit U.S. Court of Appeals arguing that the appeal filed by environmental advocacy groups that contend that they were improperly denied the right to intervene in a dispute between the municipality and a hydraulic fracturing company is “without merit” (Seneca Resources Corporation v. Township of Highland, et al. and Crystal Springs Ecosystem, et al., No. 16-3592, 3rd Cir.)....