SAVE THE COLORADO v. SPELLMON

SAVE THE COLORADO, a Colorado nonprofit corporation; the Environmental Group, a Colorado nonprofit corporation; WildEarth Guardians, a nonprofit corporation; Living Rivers, a nonprofit corporation; Waterkeeper Alliance, a nonprofit corporation; Sierra Club, a nonprofit corporation, Petitioners-Appellants, v. Lieutenant General Scott A. SPELLMON, in his official capacity as the Chief of the U.S. Army Corps of Engineers; Debra Haaland, in her official capacity as Secretary of the Interior; Martha Williams, in her official capacity as the Principal Deputy Director, exercising the authority of Acting Director of the U.S. Fish and Wildlife Service, Respondents-Appellees, and City and County of Denver, acting by and through its Board of Water Commissioners (Denver Water), Intervenor/Respondent-Appellee.