PORTLAND — An Oregon ranching couple claims their lawsuit over grazing and water rights against the U.S. Bureau of Land Management was wrongly dismissed. Jesse and Pamela White of Malheur County have asked the 9th U.S. Circuit Court of Appeals to overturn a federal judge’s decision to throw out the case for jurisdictional reasons. During oral arguments in Portland on June 6, attorneys for the Whites and BLM sparred over whether the federal agency had a legal duty to alter or remove water reservoirs before reducing the ranch’s grazing levels. The dispute originated in the 1960s, when BLM constructed 20...