UNITED STATES OF AMERICA, PLAINTIFF-APPELLANT, v. 82.46 ACRES OF LAND, MORE OR LESS, SITUATE IN CARBON COUNTY, WYOMING; SANGER RANCHES, INC., A WYOMING CORPORATION, ET AL., AND UNKNOWN OWNERS, DEFENDANTS-APPELLEES. NATIONAL WILDLIFE FEDERATION AND WYOMING WILDLIFE FEDERATION, AMICI CURIAE. No. 80-1921.United States Court of Appeals, Tenth Circuit. October 22, 1982. Rehearing Denied December 2, 1982. […]