Salt Lake County, Utah Utah Territory after traveling what settlers later called Emigration Canyon. Brigham Young, their leader, declared "This is the place" after seeing the valley. Compared to eastern regions, it seemed arid and unpromising to some of the migrants. Settlers used extensive irrigation to develop agriculture and the flourishing, self-sufficient city, known then as Great Salt Lake City. Thousands of Mormons joined them in the next several decades. The county was officially organized on January 31, 1850, with slightly more than 11,000 residents recorded. Mormon settlements were scattered across the valley and beyond. They relocated the territorial capital to Great Salt Lake
History of Salt Lake City the Great Salt Lake Valley a year before the Mormon pioneers. This group had spent weeks traversing difficult terrain and brush, cutting a road through the Wasatch Mountains, coming through Emigration canyon into the Salt Lake Valley on August 12, 1846. This same path would be used by the vanguard company of Mormon pioneers, and for many years after that by those following them to Salt Lake. On July 24, 1847 143 men, three women and two children founded Great Salt Lake City several miles to the east of the Great Salt Lake, nestled in the northern most reaches of