(February 13, 2020, 11:35 AM EST) -- PITTSBURGH — Two residents who live next to two sawmills filed a lawsuit against the owners Feb. 12 in federal court in Pennsylvania, complaining that increased activity at the sawmills is adversely affecting their property and health and violating a number of state and federal environmental laws (Nancy Adams, et al. v. David J. Miller, et al., No. n/a, W.D. Pa.)....