In 2001, Shady and others published radiocarbon dates from the site of Caral in the Supe Valley of Peru, indicating that monumental corporate architecture, urban settlement, and irrigation agriculture began in the Americas by 4090 years before the present (2627 calibrated years B.C.) to 3640 years before the present (1977 calibrated years B.C.).
Babe Ruth | Ruth Bader Ginsburg | Ruth Richard | Ruth Ann Minner | Ruth Buzzi | Ruth Brown | Ruth | Linda Ruth Williams | Ruth Cracknell | Shady Grove | Ruth Westheimer | Ruth Watson | Ruth St. Denis | Ruth Rendell | Ruth Minnikin | Ruth Fuchs | Marquis de St Ruth | Ruth Teitelbaum | Ruth Padel | Ruth Kelly | Ruth Gordon | Ruth Lilly | Ruth Langsford | Ruth Kinna | Ruth First | Ruth Chatterton | Shady Side Academy | Shady Deal at Sunny Acres | Ruth Warrick | Ruth Springford |