Extensive deposits are mined in the United States, particularly at Butte in Montana, and in Namaqualand, South Africa.
The Butte, Anaconda & Pacific railway carries ore from the mines at Butte to the smelters at Anaconda.
Skips are sometimes of very large capacity, holding 5, 7, and even 10 tons of ore; such are used, for example, in several shafts at Butte, Montana, in the Lake Superior copper district, and in South Africa.
Other discoveries about Butte followed, and the output of copper increased from I I,01I long tons in 1883 to 129,805 long tons in 1906, more than 99.6% from Silverbow county.
The first railway was the Oregon Short Line, which was completed by the Union Pacific Company from Ogden, Utah, to Butte in 1881.
In the region between the Northern and Southern Rockies, the plains are interrupted by minor Mountain groups, volcanic buttes and lava flows, among which the Leucite Hills and Pilot Butte are prominent examples.
In Butte, Montana, reverberatories have in the past been preferred to cupola furnaces, as the charge has consisted mainly of fine roasted concentrates; but the cupola is gaining ground there.
Very generally, especially in the butte regions, the country lends itself to the impounding of surface water.
In 1909 Jennings was the chief field in Louisiana, lesser fields being at Welsh, Anse la Butte, Caddo and Vinton.
Gold-mining and quartz-mining are its principal industries, and in 1907 Nevada county's output of gold (104,J90.76 oz., worth $2,162,083) was second only to that of Butte county (134,813.39 oz., worth $2,786,840) in California; the county is the leading producer 1 Died the 21st of September, 1890, and Frank Bell became governor by virtue of his office as lieutenant-governor.
These are a state prison at Deer Lodge, managed by contract; a reform school at Miles City, an industrial school at Butte, an orphans' home at Twin Bridges, the soldiers' home at Columbia Falls, a school for deaf and blind at Boulder, and an insane asylum at Warm Springs, managed by contract.
Of Butte, at an altitude of about 4000 ft.
Of growing importance are the gems found in California: a few diamonds in Butte county; rock crystal in Calaveras county; and tourmalines, kunzite, the rare pink beryl and bright blue topazes in San Diego county.
Many volcanic cones mark the surface, but by far the most prominent among them are Big Butte, which rises precipitously 2350 ft.
Part of Blaine county, and East Butte, 700 ft.
Middle Butte (400 ft.
The " butte " soil of the W.