Mealey's (December 3, 2019, 1:52 PM EST) -- ALBUQUERQUE, N.M. — Members of the Navajo Tribe on Nov. 29 filed a brief in New Mexico federal court contending that they should be permitted to add more mineral rights and landowners as intervenors in a lawsuit brought by environmental advocacy groups against the Trump administration for the approval of hydraulic fracturing permits in the Mancos Shale Play (Diné Citizens Against Ruining Our Environment, et al. v. David Bernhardt, et al., No. 19-703, D. N.M.)....