page_title: Little Cottonwood Creek (Salt Lake County, Utah)
hierarchical_section_title: Little Cottonwood Creek (Salt Lake County, Utah)
caption_attribution_description: Murray City Park in Murray, Utah. Little Cottonwood Creek. Salt Lake County.
context_page_description: Little Cottonwood Creek is one of the principal streams entering Salt Lake Valley from the east rises near the summit of the Wasatch Mountains a short distance south of the ski resort town of Alta and flows in a westerly direction through Little Cottonwood Canyon until it emerges into Salt Lake Valley about eleven miles from its source thence its course is north westerly through Sandy, Midvale and Murray, Utah until it empties into the Jordan River about six miles south of Salt Lake City. Its whole length is nearly 27 miles.
  The headwaters of Little Cottonwood Creek are in Little Cottonwood Canyon, a glaciated canyon in Uinta-Wasatch-Cache National Forest and the Wasatch and Uinta Mountains eco-region. One of the main tributaries of the creek rises in Cecret Lake a small sheet of water situated near Alta. The entire Little Cottonwood Creek drainage basin encompasses 46 square miles, ranging in elevation from about 4,490 to 11,500 feet.
  Communities were founded around the creek soon after pioneer settlement of Salt Lake Valley in 1847 and supported agricultural activities.
context_section_description: Little Cottonwood Creek is one of the principal streams entering Salt Lake Valley from the east rises near the summit of the Wasatch Mountains a short distance south of the ski resort town of Alta and flows in a westerly direction through Little Cottonwood Canyon until it emerges into Salt Lake Valley about eleven miles from its source thence its course is north westerly through Sandy, Midvale and Murray, Utah until it empties into the Jordan River about six miles south of Salt Lake City.  Its whole length is nearly 27 miles (43 km). 
  The headwaters of Little Cottonwood Creek are in Little Cottonwood Canyon, a glaciated canyon in Uinta-Wasatch-Cache National Forest and the Wasatch and Uinta Mountains eco-region. One of the main tributaries of the creek rises in Cecret Lake a small sheet of water situated near Alta. The entire Little Cottonwood Creek drainage basin encompasses 46 square miles (120 km²), ranging in elevation from about 4,490 to 11,500 feet (1,370 to 3,510 m).
  Communities were founded around the creek soon after pioneer settlement of Salt Lake Valley in 1847 and supported agricultural activities. Following the discovery of gold, silver, copper, and lead in nearby canyons in the 1870s, ore-refining activities brought an influx of people to these communities. During the mid- to late 1900s, residential land use replaced agriculture as the dominant land-use type in the lower Little Cottonwood Creek drainage basin as the population of Salt Lake Valley expanded.
  Land cover upstream from the mouth of Little Cottonwood Canyon is 60 percent forest land and 33 percent rangeland. The watershed in Little Cottonwood Canyon is protected as a drinking water source but receives extensive recreational use. The urbanized part of the Little Cottonwood Creek drainage basin includes that part from the mouth of Little Cottonwood Canyon to the confluence with the Jordan River.  The stream provides electrical power generation for Murray City.
  The first legitimate mining operation in Little Cottonwood Canyon was established in 1865. The ore deposits in Little Cottonwood Canyon yielded principally silver and lead with some copper, gold, and zinc. These ore deposits were formed mainly in shale, limestone, and dolomite. Galena or lead sulfide was the common primary lead mineral of the area. Argentite was found in most of the primary ores and was probably an abundant primary silver mineral. Ore production varied with time because of the nature of the deposits and the scattered control of holdings. The 1870s were especially productive, when rich deposits were mined. A number of smelters operated along Little Cottonwood Creek during the 1870s. Smelting operations produced a variety of by-products that included arsenic, matte, arsenical speiss, and slag.
  Past mining activities and ore-smelting operations continue to influence the water chemistry of the stream. Mine and smelter tailings in the Little Cottonwood Creek drainage basin can contribute trace metals to the stream. Metals from fluvial tailings deposits in the stream can be re-suspended and dissolved in the stream.  Currently, the greatest threat to the streams ecosystem is pesticides from residential run-off.
caption: The Little Cottonwood Creek  in Murray City Park, Murray, Utah
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