George Eyston Trophy events, and the 1934 Mille Miglia He fitted a diesel engine from an AEC bus into a car built on a Chrysler chassis and used it to set high-speed endurance records at Brooklands, attaining 100.75 mph in 1933 and 106 mph in 1936. In 1935, he was one of the first British racers to travel to the Bonneville salt flats of Utah, with his 24- and 48-hour record-setting car "Speed of the Wind". He is best known today for land speed records set in his car "Thunderbolt". Between 1937 and 1939 he set three new land speed records, wresting
Salt Lake County, Utah 48.91%, making Salt Lake County a majority non-Mormon county. According to the U.S. Census Bureau, the county has a total area of , of which is land and (8.1%) is water. It is the fifth-smallest county in Utah by area. The county borders on the Great Salt Lake and is intersected by the Jordan River. The western portion of the county descends toward the valley of the lake, but perhaps the most dominating physical feature in Salt Lake County are the Wasatch Mountains in the eastern portion of the county, famous for both summer and winter activities. The mountains are