104 (1978) (police ability encompasses preservation of historic landmarks land-use limitations could be enacted to boost the top quality of everyday living by preserving the character and aesthetic options of metropolis) City of New Orleans v. Dukes, 427 U.S. 104 (1978) Agins v. City of Tiburon, 447 U.S. 59, 83-84 (1978). See also Usery v. Turner Elkhorn Mining Co., 428 U.S. How Much Porn is Accessible Online?