Trail difficulty rating systemA trail difficulty rating system, also known as walking track grading system, walk gradings or trail grades, is a classification system for trails or walking paths based on their relative technical and physical difficulty.
TrailA trail, also known as a path or track, is a dirt road or a small pavedroad, usually through an undevelopednatural area, that is designed primarily for use by pedestrians, equestrians and non-motorized vehicles, although occasionally some off-roadingmotor vehicles may also use it. In the United Kingdom and Ireland, footpath or hiking trail is the preferred term. However, it is sometimes applied to highways in North America.
Chisholm TrailThe Chisholm Trail ( CHIZ-əm) was a stock trail and wagon route used in the post-Civil War era to drive cattle overland from ranches in Southern Texas, across the Red River into Indian Territory, and northward to rail stops in Kansas. The trail consisted of a pathway established by Black Beaver in 1861 and a wagon road established by Jesse Chisholm around 1864.
Height above average terrainHeight above average terrain (HAAT), or (less popularly) effective height above average terrain (EHAAT), is the vertical position of an antenna site above the surrounding landscape. HAAT is used extensively in FM radio and television, as it is more important than effective radiated power (ERP) in determining the range of broadcasts (VHF and UHF in particular, as they are line of sight transmissions).
United States Access BoardUnited States Access BoardIndependent agency of the United States government overviewFormed1973; 53 years ago (1973)Websitewww.access-board.gov The United States Access Board (also known as the Architectural and Transportation Barriers Compliance Board) is an independent agency of the United States government devoted to accessibility for people with disabilities. The Board was created in 1973 to ensure access to federally funded facilities.
Natchez TraceThe Natchez Trace, also known as the Old Natchez Trace, is a historic forest trail within the Southeastern United States which extends roughly 440 miles (710 km) from Nashville, Tennessee, to Natchez, Mississippi, linking the Cumberland, Tennessee, and Mississippi rivers. Native Americans created and used the trail for centuries. Early European and American explorers, traders, and immigrants used it in the late 18th and early 19th centuries.
Sea levelMean sea level (MSL, often shortened to sea level) is an average surface level of one or more among Earth's coastal bodies of water from which heights such as elevation may be measured.*As an Amazon Associate I earn from qualifying purchases.