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 Salt Lake County, Utah Salt Lake County is a county located in the U.S. state of Utah. As of the 2010 census, the population was 1,029,655, making it the most populous county in Utah. Its county seat and largest city is Salt Lake City, the state capital. The county was created in 1850. Salt Lake County occupies the Salt Lake Valley, as well as parts of the surrounding mountains, the Oquirrh Mountains to the west and the Wasatch Range to the east (essentially the entire Jordan River watershed north of the Traverse Mountains). In addition, the northwestern section of the