Authorities Cited: United States Code 16 U.S.C. § 1 16 U.S.C. § 3 16 U.S.C. § 460 16 U.S.C. § 461 16 U.S.C. § 462 16 U.S.C. § 462(k) Code of Federal Regulations 36 C.F.R. § 4.212 36 C.F.R. § 4.23(c) 36 C.F.R. § 4.231 Supreme Court 143 U.S. 649, 692 220 U.S. 506, 518-523 276 U.S. 394, 406-409 287 U.S. 12, 24-25 293 U.S. 388, 355-415 295 U.S. 495, 455-542 319 U.S. 190, 216-217 321 U.S. 414, 422-432 332 U.S. 245, 249-250 334 U.S. 742, 778 342 U.S. 524, 542-544 481 U.S. 739, 745 488 U.S. 361, 109-373 500 U.S. 160 517 U.S. 748, 758-768 531 U.S. 457, 474 Circuit Courts 355 F.2d 283, 286 406 F.2d 1095, 1098 463 F.2d 615, 616 654 F.2d 1034, 1037 661 F.2d 1206, 1209 714 F.2d 872, 873 731 F.2d 1521, 1527-1528 778 F.2d 818, 820-823 50 F.3d 901, 906 148 F.3d 1300, 1301 173 F.3d 820, 822 327 F.3d 346, 350