http://venturaresorts.com/Vacations/blogs/restaurantsshopping/archive/2007/05/07/charlie-s-steak-house-is-one-of-the-best-for-steaks.aspxAt Charley's Steak House I found out- All of their steaks are selected from only the best three-year-old grain-fed steer, graded USDA Prime and Choice. After starting with the finest beef, they age the loins for a minimum of four to five weeks for tendernessenCommunityServer 2.1 SP2 (Build: 61129.2)