The New York and Honduras Rosario Mining Company ( NYHRMC ) produced US $ 60 million worth of gold and silver between 1882 and 1954 before discontinuing most of its operations.

Mining operations can be grouped into five major categories in terms of their respective resources.

Beginning in 1939, the hard-rock mining operations in the Red Mountain and Telluride mining districts began a lengthy consolidation under the Idarado Mining Company ( Idarado ), presently a division of Newmont Mining.

Mining operations developed by Dolch at Dolchburg and by the Olmos Coal, Coke, and Oil Company at Olmos were the largest coal producers in Texas around the turn of the 19th to 20th century.

In 1887, several investors established the Athens Mining and Manufacturing Company with plans to convert the town into a model industrial community and initiate large-scale mining operations in the area.

Mining operations ceased in the early twentieth century.

After a successful land auction in Harriman in 1890, the company established three subsidiaries: the East Tennessee Mining Company to administer the region's coal and iron extraction operations, the Harriman Coal & Iron Railroad Company to develop the local railroad system, and the Harriman Manufacturing Company to attract industries by providing start-up capital.

Cliffs Natural Resources owns and operates Northshore Mining, which has mining operations in Babbitt and crushing, concentrating ( grinding ) and pelletizing operations in Silver Bay, along with United Taconite which has mining operations in Eveleth and crushing, concentrating and pelletizing operations in Forbes.

Mining operations use crushers, commonly classified by the degree to which they fragment the starting material, with primary and secondary crushers handling coarse materials, and tertiary and quaternary crushers reducing ore particles to finer gradations.

Mining operations were begun on an extensive scale in 1864, and J. W. Lowden, an eastern capitalist, also erected a furnace at Cooper's Falls in De Kaib.

The Cyprus Anvil Mining Corporation established the first operations to mine the deposits, and established the town of Faro.

The Kola Mining and Metallurgical Company, a division of Norilsk Nickel, conducts nickel -, copper -, and platinum group metals-mining operations on the peninsula.

Mining operations in the Athabasca oil sands.

Mining operations in the area during the early colonial period was carried out mostly by mining haciendas such as the Hacienda El Chorillo and the Hacienda San Juan Bautista, established by Cortés or soldiers of Cortés.

In the most renowned legal fight of farmers against miners, the farmers sued the hydraulic mining operations and the landmark case of Edwards Woodruff v. North Bloomfield Mining and Gravel Company made its way to the United States District Court in San Francisco where Judge Lorenzo Sawyer decided in favor of the farmers in 1884, declaring that hydraulic mining was “ a public and private nuisance ” and enjoining its operation in areas tributary to navigable streams and rivers.

Mining operations in the pit ended in 1974.

Mining operations spread to nearby areas such as Atotonilco, Actopan and Tizayuca.

Mining operations resumed in 1850, especially in the Rosario mine.

Mining operations were disrupted again by the Mexican Revolution in the early 20th century.

Mining engineers working in an established mine may work as an engineer for operations improvement, further mineral exploration, and operation capitalization by determining where in the mine to add equipment and personnel.

Mining families fled Telluride to settle in places like Moab, Utah, where uranium mining offered hope of continued employment.

Mining began in 1806 and continued at least through the end of the War of 1812, which ended in 1815.

Mining resumed in 1866, and continued until 1878, when the mines had exhausted the shallow high-grade copper ores.

Mining has continued until recently through the Pacific Coast Coal Company, formerly of San Francisco.

Mining continued until 1927.

In 1963 the Anaconda Mining Company bought the property and production continued for the next eleven years.

Mining remained the town's principal industry until the 1950s, but the subsequent closure of the area's pits led to a severe economic decline which has continued until the present day.

Sandvik Mining and Construction continued to grow organically as well as through acquisitions.

Mining for gold soon ceased but lead and zinc mining continued, reaching a peak in World War II when the metals were desperately needed for the productions of weapons, ships, planes.

Mining resumed in the 17th century and continued intermittently until 1874.

Mining continued til 1910.

Mining revenue had dropped off to very low levels, though revenue from the Minden line continued to flow.

Mining continued to be an important source of employment, but for the last decades of the nineteenth century most miners no longer worked individually or in small teams but for larger companies working deep leads.

The most prominent storyline was Stephanie's continued attempts to keep control of the family company, Harper Mining, which ruthless businessman Jake Sanders was trying to take away from her.

Mining continued for 59 years, extracting 17 million tonnes of coal from 12 separate mines.

The mine was owned by the Quincy Mining Company and operated between 1846 and 1945, although some activities continued through the 1970s.

Later he continued his studies at the Mining Technical School in Příbram ( 1970 – 1974 ).

Mining of this kind is first mentioned in a document dated 1158, and it continued on into the 18th century, although with long interruptions.

Mining increased by 9. 2 %, stimulated by higher output and a higher average price of nickel, the country's most important mineral.

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.

The most important mines were located in the mountains near the capital of Tegucigalpa and were owned by the New York and Honduras Rosario Mining Company ( NYHRMC ).

Sponsored by their respective governments, they were submitted by Nauru Ocean Resources Inc. and Tonga Offshore Mining Limited.

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.

* 717 km total of single track ( standard gauge ), owned and operated by a government mining company, Société Nationale Industrielle et Minière ( National Mining and Industrial Company, SNIM ).

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.

See this list of Mining Companies, or Mining Companies by Category.

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.

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 ).

* February 2 – First railway opens in New Zealand, by Dun Mountain Copper Mining Company.

* The Mines and Mining Building, designed by Solon Spencer Beman

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 ".

For exchanging the extracted models – in particular for use in predictive analytics – the key standard is the Predictive Model Markup Language ( PMML ), which is an XML-based language developed by the Data Mining Group ( DMG ) and supported as exchange format by many data mining applications.