Mealey's (December 10, 2018, 8:26 AM EST) -- WASHINGTON, D.C. — Five Native American tribes on Nov. 30 filed a joint brief in a District of Columbia federal court contending that it should allow multiple parties to file amicus curiae briefs in consolidated lawsuits brought by the Hopi Tribe and environmental groups against the Trump administration for the president’s decision to reduce the size of two national monuments, which the plaintiffs say was done to open the land for hydraulic fracturing activities (Grand Staircase Escalante Partners, et al. v. Donald J. Trump, et al., No. 17-2591, The Wilderness Society, et al. v. Donald J. Trump, et al., No. 17-2587, D. D.C., Hopi Tribe, et al. v. Donald Trump, et al., No. 17-2590, D. D.C. [consolidated])....