Mining is the principal industrial activity in Mongolia, making up 30 % of all Mongolian industry.

Mining activity in the county included ores of lead, copper, zinc, and deposits of refractory clay.

Mining activity was also in decline and by 1920 only 29 residents lived in Hot Springs.

Mining and smelting iron became a more successful activity until the deposits diminished.

Mining was an early industrial activity in Macomb.

Mining activity halted in 1930 because the ore deposits were exhausted and no longer financially valuable.

Mining activity started in 1882 and ended in 1910, lasting more than 25 years.

During the 1970s, McCloskey led the Club's legislative activity — preserving Alaskan lands and eastern wilderness areas, and supporting the new environmental agenda: the Toxic Substances Control Act of 1976, the Clean Air Act amendments, and the Surface Mining Control and Reclamation Act of 1977, passed during the administration of President Jimmy Carter.

Mining activity varies as to what method is employed to remove the mineral.

Mining is a minor activity, centered on salt, clay, lime and other non-metallic extractions.

Mining is a growing activity, with the extraction of various minerals financed by multinational companies.

Mining activity in Potosí created a huge demand for wine in 17th century South America.

In 1927 the Mining Act was issued, which gave the ownership of the subsoil to the State and imposed the rule that any oil-related activity was subject to authorization and / or government grant.

The volcano is classified as " III-Changes in behaviour of volcanic activity " by Ingeominas, the Colombian Institute for Geology and Mining.

Mining was the primary economic activity prior to the Liberian Civil War, in addition to subsistence farming.

Mining activity, as a consequence, dates back thousands of years, with the remains of Roman mining structures identifying the importance of this area to the expansion of Roman metallurgy.

Mining was an activity of the Dacians, the ancient inhabitants of present day Romania.

Mining activity ceased in 1920.

During its heyday of Jamaica Bauxite Mining, Citrus and Sugar productions, Clarendon was among Jamaica leading parishes in economic activity.

Mining was particularly important, and the new policies coincided with the growing of banana exporting, which began in the Bay Islands in the 1870s and was pursued on the mainland by small and middling farmers in the 1880s.

Hoover was a director of Chinese Engineering and Mining Corporation ( CEMC ) when it became a supplier of coolie labor for South African mines.

A 15 year exploration contract was granted by the Authority to Nauru Ocean Resources Inc. on 22 July 2011 and to Tonga Offshore Mining Limited on 12th January 2012.

Quincy Adams Shaw and his brother-in-law Henry Higginson became major investors in the Calumet and Hecla Mining Company, and Shaw was the first president of the company and retained that position until 1871, when Agassiz's son Alexander Agassiz took over.

Turquoise dated at 700 A. D. was mined in pre-Columbian America ; in the Cerillos Mining District in New Mexico, estimates are that " about 15, 000 tons of rock had been removed from Mt Chalchihuitl using stone tools before 1700.

Mining in the United States became prevalent in the 19th century, and the General Mining Act of 1872 was passed to encourage mining of federal lands.

This was followed up by the Global Mining Initiative which was initiated by nine of the largest metals and mining companies, and led to the formation of the International Council on Mining and Metals to " act as a catalyst " for social and environmental performance improvement in the mining and metals industry internationally.

In 1869, the School of Mining in Falun was moved to Stockholm and merged with the institute, and in 1871 the institute took over the civil engineering course previously arranged by the Higher Artillery College in Marieberg.

Rube graduated from the University of California, Berkeley in 1904 with a College of Mining degree and was hired by the city of San Francisco as an engineer for the Water and Sewers Department.

Mining was unmechanized and labor-intensive, with pickmen freeing the ore from the rock, and mine-boys or carusi carrying baskets of ore to the surface, often through a mile or more of tunnels.

The advisory opinion was issued in response to a formal request made by the International Seabed Authority following two prior applications the Authority's Legal and Technical Commission had received from the Republics of Nauru and Tonga regarding proposed activities ( a plan of work to explore for polymetallic nodules ) to be undertaken in the Area by two State-sponsored contractors ( Nauru Ocean Resources Inc. ( sponsored by the Republic of Nauru ) and Tonga Offshore Mining Ltd. ( sponsored by the Kingdom of Tonga ).

About. com was originally founded in 1996 as The Mining Company.

At the beginning of the century, there was a phrase " database mining "™, trademarked by HNC, a San Diego-based company ( now merged into FICO ), to pitch their Data Mining Workstation ; researchers consequently turned to " data mining ".

Mining was Telluride ’ s only industry until 1972, when the first ski lift was installed by Telluride Ski Resort founder Joseph T. Zoline and his Telluride Ski Corporation ( Telco ).

The Leadville Mining District was the most productive silver-mining district in the state.

Stratton was inducted into the National Mining Hall of Fame.

Michigan Tech was founded in 1885 as the Michigan Mining School.

The change from the Michigan College of Mining and Technology was necessary for two reasons, according to Van Pelt.

Grace Golden Clayton was mourning the loss of her father when, on December 1907, the Monongah Mining Disaster in nearby Monongah killed 361 men, 250 of them fathers, leaving around a thousand fatherless children.

Mining induced subsidence is relatively predictable in its magnitude, manifestation and extent, except where a sudden pillar or near-surface underground tunnel collapse occurs ( usually very old workings ).

Marcus Cole was born on the Arisia Mining Colony, where his family operated a relatively dangerous mining operation.

The Jupiter Mining Corporation transport vehicle Starbug ( full name Starbug I ) is a relatively small shuttlecraft, green in colour.