887 P.2d 550 Don WATAHOMIGIE, Rex Tilousi, and The Havasupai Tribe, a Federally Recognized Indian Tribe, Plaintiffs-Appellants, v. ARIZONA BOARD OF WATER QUALITY APPEALS; Harold Merkow, Hearing Officer, Arizona Department of Environmental Quality; Union Pacific Minerals, a Utah Corporation, Defendants-Appellees. No. 1 CA-CV 93-0142.Court of Appeals of Arizona, Division One, Department C. April 21, 1994. […]