Triumph Bonneville T120 NSU took the record the following year, so Allen and his team returned to Bonneville in September 1956 and won it back with an average speed of 214.17 mph (344 km/h). The FIM also refused to accept this as a world record but Triumph gained much needed publicity from the legal dispute that followed. After the Bonneville T120 had been named in recognition of Allen's records, other Triumph-engined motorcycles went faster still on the Salt Flats. In 1962 Bill Johnson set a two-way average of 230.269 mph (370.5 km/h) over a measured mile, riding a 667 cc 'streamliner' whose design
Harkers Canyon (Salt Lake County, Utah) Harkers Canyon (Salt Lake County, Utah) Harkers Canyon is located west-southwest of downtown Salt Lake City, in Salt Lake County, Utah, USA. The canyon empties into the Salt Lake Valley from its origin in the Oquirrh Mountains. The canyon is oriented primarily from southwest to northeast, with the middle third of the canyon descending from west to east. Harkers Canyon and surrounding land are owned and managed by the Kennecott Utah Copper Corporation and has been mined for copper. Although most extraction occurred in Bingham Canyon to the south, Harkers Canyon has been the site of copper mining by the