Mealey's (October 9, 2017, 9:38 AM EDT) -- CHEYENNE, Wyo. — The states of North Dakota and Texas on Oct. 2 filed a joint brief in Wyoming federal court arguing that the Bureau of Land Management’s (BLM) final rule regarding hydraulic fracturing waste, royalties and resource conservation is “unlawful and arbitrary and capricious.” Two industry trade groups also filed a brief saying the rule should be invalidated (State of Wyoming, et al. v. United States Department of the Interior, et al., No. 16-285, D. Wyo.)....