Westward Expansion Trails the Great Salt Lake in Utah. The Mormon Trail followed part of the Oregon Trail and then branched off at the fur trading post called Fort Bridger, founded by famed mountain man Jim Bridger. Heading south and following river valleys southwestward to the valley of the Great Salt Lake, Brigham Young led the first Mormons into present-day Utah during 1847. The Mormon Trail is 1,300 miles long and extends from Nauvoo, Illinois to Salt Lake City, Utah. The Mormon Trail was used for more than 20 years after the Mormons used it and has been reserved for sightseeing. The initial
Salt Lake City free during January and July, when air quality is usually at its worst. The population of the Salt Lake City metropolitan area is projected to double by 2040, putting further pressure on the region's air quality. The Great Salt Lake is separated from Salt Lake City by extensive marshlands and mudflats. The metabolic activities of bacteria in the lake result in a phenomenon known as "lake stink", a scent reminiscent of foul poultry eggs, two to three times per year for a few hours. The Jordan River flows through the city and is a drainage of Utah Lake that empties