Mormon pioneers These southern explorations eventually led to Mormon settlements in St. George, Utah, Las Vegas and San Bernardino, California, as well as communities in southern Arizona. By 1885, Mormon communities were being established in northern Mexico. The Mormon pioneers are celebrated annually on July 24 in the State of Utah, known as Pioneer Day. Salt Lake City also has the Mormon Pioneer Memorial Monument, where Brigham Young, Eliza R. Snow, and other Mormon pioneers are buried and where a memorial exists dedicated to all who crossed the plains to the Salt Lake Valley. Additionally, the Pioneer (characterized as "Pioneer Pete") is
George Reynolds (Mormon) Twelve Apostles. Reynolds continued in this position and as the secretary to the First Presidency until his death in 1909. Reynolds was a gifted writer and after his release from prison he became active in writing church literature. His most famous works are his "Story of the Book of Mormon" (1888), which was intended for children; "Complete Concordance to the Book of Mormon" (1900); and "Dictionary of the Book of Mormon" (1910). Reynolds suffered a nervous breakdown in 1907 as a result of stress incident from overwork. He died from meningitis at Salt Lake City on August 9, 1909, at