Great Salt Lake arrived to harvest and sell the guano of the nesting birds as fertilizer. Lambourne included musings about these guano sifters in his work. Lambourne left the island early in the winter of 1896 along with the first group of guano sifters. The Great Salt Lake lends its name to Salt Lake City, originally named "Great Salt Lake City" by the president of The Church of Jesus Christ of Latter-day Saints (LDS Church) Brigham Young, who led a group of Mormon pioneers to the Salt Lake Valley southeast of the lake on July 24, 1847. The lake lies in parts of
Salt Lake City below the poverty line. According to the U.S. Census Bureau's American Community Survey of 2017, the highest disparity in income in Utah is in Salt Lake City. Salt Lake City's GINI Index score was 0.4929, compared with the state's overall score of 0.423. The west-side areas of Salt Lake have the lowest-incomes while areas like the upper Avenues, have much higher incomes. Other Utah cities with relatively high scores include Provo, 0.4734; and Ogden, 0.4632. Fewer than 50% of Salt Lake City's residents are members of The Church of Jesus Christ of Latter-day Saints. This is a much lower proportion