beyond the original congressionally established route. Seven side trails have been designated: Timms Hill Trail – , connects the Ice Age Trail to Wisconsin's highest point, Timms Hill (1990) Anvik Connector – , joins the Iditarod Trail to the village of Anvik, Alaska (1990) Susquehanna River Component Connecting Trail – , extends the Captain John Smith Chesapeake National Historic Trail up the Susquehanna River in Pennsylvania and New York (2012) Chester River Component Connecting Trail – , extends the Captain John Smith Chesapeake National Historic Trail up the Chester River in Maryland (2012) Upper Nanticoke River Component Connecting Trail – , extends the Captain John Smith Chesapeake National Historic Trail up the Nanticoke River in Delaware (2012) Upper James River Component Connecting Trail – , extends the Captain John Smith Chesapeake National Historic Trail up the James River in Virginia (2012) Marion to Selma Connecting Trail – , connects the Selma to Montgomery National Historic Trail to Marion, Alabama, where Jimmie Lee Jackson was murdered in 1965 (2015) National Recreation Trails National recreation trail (NRT) is a designation given to existing trails that contribute to the recreational and conservation goals of a national network of trails. Over 1,300 trails over all fifty states have been designated as NRTs on federal, state, municipal, tribal and private lands that are available for public use and are less than a mile to more than in length. They have a combined length of more than . Most NRTs are hiking trails, but a significant number are multi-use trails or bike paths, including rail trails and greenways. Some are intended for use with watercraft, horses, cross-country skis, or off-road recreational vehicles. There are a number of water trails that make up the National Water Trails System subprogram. Eligible trails must be complete, well designed and maintained, and open to the public. The NPS and the USFS jointly administer the National Recreation Trails Program with help from other federal and nonprofit partners, notably American Trails, the lead nonprofit for developing and promoting NRTs. The secretary of interior or the secretary of agriculture (if on USFS land) designates national recreation trails that are of local and regional significance. Managers of eligible trails can apply for designation with the support of all landowners and their state's trail coordinator (if on non-federal land). Designated trails become part of the National Trails System and receive promotional benefits, use of the