Carson City's development was no longer dependent on the mining industry and instead became a thriving commercial center.

This led to a weakening of the domestic economy after Columbus ' discovery of America, as the economy became dependent on colonial activities ( plundering, mining, cattle, plantations, trade, etc.

Sugar cane, mining, fishing and tropical agriculture became the major industries.

In 1908 Hoover became an independent mining consultant, traveling worldwide until the outbreak of World War I in 1914.

* Joel family, a British family of brothers who became rich from diamond and gold mining in South Africa

In the 2nd millennium, ore mining developed in Central Kazakhstan, pastoral animal husbandry appeared and spread, and horse nomadic economy became a developed technology as a viable production method in the Eurasian steppes.

By January 1970, Zambia had acquired majority holding in the Zambian operations of the two major foreign mining interests, the Anglo American Corporation and the Rhodesia Selection Trust ( RST ); the two became the Nchanga Consolidated Copper Mines ( NCCM ) and Roan Consolidated Mines ( RCM ), respectively.

The mining industry became dramatically more efficient and prosperous with the invention of mechanical and animal driven pumps.

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.

By the early 2000s, community development issues and resettlements became mainstreamed in Bank mining projects.

After leading the first expedition, Sam Freeman did not return and Reg Beazley became party leader of the second expedition, with Pontey Seale mining engineer, Bill MacGregor and Beazley prospectors and recruiters, and Ernie Shepherd in charge of transport and supplies, prospecting when opportunity arose.

By January 1970, Zambia had acquired majority holding in the Zambian operations of the two major foreign mining corporations, the Anglo American Corporation and the Rhodesia Selection Trust ( RST ); the two became the Nchanga Consolidated Copper Mines ( NCCM ) and Roan Consolidated Mines ( RCM ), respectively.

Unlike iron ore mining with the Edison Ore-Milling Company, the heavy investment Edison made over ten years was repaid handsomely, and the storage battery eventually became Edison's most profitable product.

Illegally mining silver is now an offense punishable by death ; although illegal mining became a dangerous affair, the high demand for illegal mining also made it very lucrative, and so many chose to defy the government and continued to mine silver.

However, the term data mining became more popular in the business and press communities.

Invention of improved steelmaking techniques made high-quality steel available at lower cost, and so wire ropes became common in mining and other industrial applications.

" In central Myanmar, the area of Mong Hsu began producing rubies during the 1990s and rapidly became the world's main ruby mining area.

Flint mining is attested since the Palaeolithic, but became more common since the Neolithic ( Michelsberg culture, Funnelbeaker culture ).

Zakopane became a center for the region's mining and metallurgy industries ; in the 19th century, it was the largest center for metallurgy in Galicia.

Around 1200, Trento became a mining center of some significance: silver was mined from the Monte Calisio-Khalisperg, and Prince-Bishop Federico Wanga issued the first mining code of the alpine region.

The modern history of Wales starts in the 19th century when South Wales became heavily industrialised with ironworks ; this, along with the spread of coal mining to the Cynon and Rhondda valleys from the 1840s, led to a increase in population.

This problem was eventually solved and gold and silver mining in Colorado became a major industry.

Wind tunnels were key in the development and validation of the laws of aerodynamics. In 1889, Charles Renard, a French aeronautical engineer, became the first person to reasonably predict the power needed for sustained flight.

After joining them in 1942, their son, Péter Bartók, enlisted in the United States Navy where he served in the Pacific during the remainder of the war and later settled in Florida where he became a recording and sound engineer.

He joined Briggs Motor Bodies Ltd in West Thurrock, where he became a maintenance engineer.

Stephenson became famous, and was offered the position of chief engineer for a wide variety of other railways.

In 1891, Ford became an engineer with the Edison Illuminating Company.

The chief engineer during the construction of Sarkel was Petronas Kamateros ( Πετρωνᾶς Καματηρός ) who later became the governor of Cherson.

* James Henry Greathead, who helped with the Tower Subway, and became resident engineer on the Hammersmith extension railway and the Richmond extension of the Metropolitan District Railway, a post which he held for four years.

" While he did not graduate from George Washington, his time there subsequently became important because, as George Malko puts it, " many of his researches and published conclusions have been supported by his claims to be not only a graduate engineer, but ' a member of the first United States course in formal education in what is called today nuclear physics.

Jeremy Burgess, Doohan's chief engineer for his entire career, later became Valentino Rossi's chief engineer.

Morse's great-great-grandnephew Reed Morse — a Google engineer — was instrumental in the prank, which became a real product.

Torres became associated with a Maquis captain named Chakotay, and was serving as chief engineer on his ship, the Val Jean, when they were brought to the Delta Quadrant by the Caretaker.

During his time as a renegade fighter against the Cardassians, Chakotay inducted into his Maquis cell the half-Klingon woman B ' Elanna Torres who became his chief engineer.

The invention of the modern diving regulator became possible after Cousteau met engineer Émile Gagnan.

Linant de Bellefonds, a French explorer of Egypt, became chief engineer of Egypt's Public Works.

The young Lipscomb participated in other projects, such as Morse-coded messages over wires and crystal radio sets, with five nearby friends who became physicists, physicians, and an engineer.

Utzon was born in Copenhagen, the son of a naval engineer, and grew up in Aalborg, Denmark, where he became interested in ships and a possible naval career.

She became the first American engineer ever to create a synthesis of psychology and scientific management.

Caliri designed the M184, the team's prototype Formula One car ( intended as a dual purpose design for the new Formula 3000 ) around Alfa Romeo's V8 turbocharged engine but when engineer Carlo Chiti left Alfa Romeo to found Motori Moderni, Minardi became the only customer for his new V6 engine design.

After completing Lyceum in Ljubljana he became a navigational engineer.

The invention of the first multimeter is attributed to British Post Office engineer, Donald Macadie, who became dissatisfied with having to carry many separate instruments required for the maintenance of the telecommunications circuits.

Édouard became his father ’ s favorite and also became an engineer.

In July 1905, he became chief engineer of the Division of the Pacific.