Mealey's (September 12, 2017, 9:02 AM EDT) -- HELENA, Mont. — The Montana Supreme Court on Aug. 15 affirmed a water court’s grant of summary judgment in a dispute over the seniority of a water right dating back to the late 1800s (Melanie J. Knadler, et al. v. Quirk Cattle Company, No. DA 16-0740, Mont. Sup., 2017 Mont. LEXIS 529)....