Bonneville Salt Flats Bill Rishel and two local businessmen tested the suitability of the salt for driving on by taking a Pierce-Arrow onto the surface of the flats. A railway line across the Bonneville Salt Flats was completed in 1910, marking the first permanent crossing. The first land speed record was set there in 1914 by Teddy Tetzlaff. Entertainment filmed at the salt flats include portions of "Knight Rider", "Warlock", "Independence Day" (1996) and , "SLC Punk", "Cremaster 2" from "Cremaster Cycle", "The Brown Bunny", "The World's Fastest Indian", "Gerry", "The Tree of Life", "Top Gear", "" and "". Furthermore, the Pontiac Bonneville
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