Bonneville Salt Flats (former flagship sedan of the Pontiac motor division), the Triumph Bonneville motorcycle, and the Bonneville International media company are all named for the salt flats. The Bureau of Land Management (BLM) has undertaken numerous studies of the salt crust thickness within the Bonneville Salt Flats and ultimately concluded in a 2006 study that there was virtually no difference in the salt crust thickness from 1988 to 2003. Specifically, the BLM concluded “despite brine withdrawal for mineral production, neither short nor long-term measurable changes in salt crust thickness could be documented.” The BLM further concluded that earlier salt crust measurement studies
Triumph Model H Model H was fitted with a 499 cc air-cooled four-stroke single-cylinder engine. It was also the first Triumph not to be fitted with pedals, so was a true motorcycle. Engine differences from the previous Model A included a single cam wheel with two cams replacing separate cam wheels for the inlet and exhaust valve, and new design of cylinder casting. Valve head diameter was enlarged and the valves were spaced further apart. The Model H was fitted with a Sturmey-Archer three-speed countershaft gearbox operated by a hand gear change lever. More than 30,000 Triumph Model H motorcycles had been produced