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GREAT SALT LAKE , a shallow body
Great
Bear rivers, all draining the mountainous country to the E. and S:E. The irregular outline of the lake has been compared to the roughly drawn
drawn
No bathymetric survey of the lake has been made, but the maximum depth is 6o ft. and the mean depth Iess than 20 ft., possibly as little as 13 it. The lake in 1go6 was approximately 75 M. long., from N.W. to S.E., and had a maximum width of 5o m. and an area of 1750 sq. in. This area is not constant, as the water is very shallow at the margins, and the relation between supply from precipitation, &c., and loss by evaporation is variable, there being an annual difference in the height of the water of 15-18 in. between June (highest) and November (lowest), and besides a difference running through longer cycles: in 1850 the water was lower and the lake smaller than by any previous observations (the area and general outline were nearly the same again in 1906); then the water rose until 1873; and between 1886 and 1902 the fall in level was 11.6 ft. The range of rise and fall from 1845 to 1886 was 13 ft., this being the rise in 1865-1886. With the fall of water there is an increase in the specific gravity, which in 1850 was 1.17, and in September 1901 was 1.179; in 185o the proportion of solids by weight was 22.282%, in September 1901 it was 25.221; at the earlier of these dates
supply of water. It is also to be noted that the rise and fall of the lake level have been coincident, respectively, with continued wet and dry cycles. That the lake will soon dry up entirely seems unlikely, as there is a central trough, 25 to 30 M. wide, about 4. ft deep, running N.W. and S.E. The area andshore-line of the lake are evidently affected by a slight surface tilt, for during the same generation that has seen the recent
The lake is a novel and popular bathing resort, the specific gravity of the water being so great
body
The lake is of interest
Industrially Great Salt Lake is of a certain importance. In early days it was the source of the salt supply of the surrounding country; and the manufacture of salt is now an important industry. The brine is pumped into conduits, carried to large ponds and there evaporated by the sun; during late
' Besides these islands there are a few small islands farther N., and W. of Antelope, Stansbury Island, which, like Antelope and Fremont Islands, is connected with the mainland by a bar sometimes uncovered and rarely in more than a foot of water.from the brine at a temperature between 3o and 20 F. The lake is crossed E. and W. by the Southern Pacific railway's so-called " Lucin Cut-off," which runs from Ogden to Lucin on a trestle with more than 20 M. of " fill "; the former route around the N. end of the lake was 43 M. long. Great Salt Lake was first described in 1689 by Baron La Hontan, who had merely heard of it from the Indians. " Jim " Bridger, a famous mountaineer and scout, saw the lake in 1824, apparently before any other white man. Captain Bonneville described the lake and named it after himself, but the name was transferred to the great Pleistocene lake. John C. Fremont gave the first description of any accuracy in his Report of 1845. But comparatively little was known of it before the Mormon settlement
See J. E. Talmage, The Great Salt Lake, Present and Past (Salt Lake City, 1900) ; and Grove Karl Gilbert, Lake Bonneville, mono-graph i of United States Geological Survey (Washington, 1890), containing (pp. 12-19) references to the earlier literature. End of Article: GREAT SALT LAKE If you wish, you can link directly to this article.
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