264 F.3d 1017 (10th Cir. 2001) DR. MARK HAYES, an individual; ED BROCKSMITH, an individual; OKLAHOMA WILDLIFE FEDERATION, an Oklahoma non-profit corporation; SAVE THE ILLINOIS RIVER, INC., an Oklahoma non-profit corporation, Plaintiffs – Appellants,v.CHRISTIE WHITMAN, in her capacity as Administrator of the United States Environmental Protection Agency; UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION VI; GREGG […]