[permalink] [id link]
Most placer mines today use settling ponds, if only to ensure that they have sufficient water to run their sluicing operations.
from
Wikipedia
Some Related Sentences
Most and placer
Most ( but not all ) placer deposits, because of their shallowly buried nature, are mined by surface methods.
Most of the production occurred before 1868 and much of the placer is now under the streets and buildings of Helena ( but even as late as the 1970s, when repairs were being made to a bank, a vein of placer gold was found under the bank's foundation ).
Most of them are placer deposits.
Most of the gold came from the rich beds of placer gold found in the streams and first discovered in 1858, the same year Denver was founded.
Most of the placer mining was done along the hillsides above the river ; later the river was mined with dredgers.
Most and mines
Most of Australia's iron ore is also mined in the Pilbara and it also has one of the world's major manganese mines,
Most outback mines have an airstrip and many have a fly-in fly-out workforce.
Most modern anti-vehicle mines use a magnetic trigger to enable it to detonate even if the tires or tracks did not touch it.
Most of the mercury was mined in the Coast Ranges to the west of the Sacramento River ; mines in these mountains produced roughly 140, 000 tons of mercury to serve the Gold Rush.
Most of the original settlers came in response to the abundance of jobs available in the coal mines.
Most mines were shut down during World War II as resources were diverted to the war.
Most copper is mined or extracted as copper sulfides from large open pit mines in porphyry copper deposits that contain 0. 4 to 1. 0 % copper.
Most of Taylor is over abandoned mines.
Most of the gold was stripped from the mines by 1877, but the town was now established and merchants who came to serve the miners stayed to serve the nearby ranchers.
Most people in Mexico were landless, laboring on the vast estates or in the mines for little more than slave wages.
Most of the freight carried was coal from local collieries but, as the mines reached the end of their working lives sections of the canal fell into disuse and disrepair and it was officially abandoned in 1961.
Most open cast mines in the United States extract bituminous coal.
Most of these risks can be greatly reduced in modern mines, and multiple fatality incidents are now rare in some parts of the developed world.
Most mines are now closed, but in the 1970s many mines were still in operation.
Most were buried in mass graves, but there were also instances of communities being forced en masse into community buildings or synagogues that were then burnt, or herded into local mines that were subsequently dynamited.
Most former mines have been converted into industrial and business parks – one such development at Bersham Colliery has the last surviving head gear in the north Wales coalfield.
Most mines are of the anti-personnel type, laid to protect bases or defensive areas, and to contain troop movements.
Most of his properties were silver mines in New Mexico ; one mine yielded an ore vein worth $ 3 million in silver chloride.
Most of the prisoners worked in the uranium mines.
Most of these mines are now inactive.
Most of the hill was blown away when the mines were detonated, causing many casualties to the German forces defending it.
Most were sent to the interior of Manchuria, where they reclaimed land for agriculture, or worked in forestry or mines.
Most of them are from École polytechnique ; these are known as X-Mines ; others come from École normale supérieure ( ENS ), Télécom ParisTech ( former ENST ) or the regular curriculum of the École nationale supérieure des mines de Paris.
Most and today
Most school systems today maintain a system of cumulative records of pupils.
Most major powers repudiated Cold War assassination tactics, though many allege that this was merely a smokescreen for political benefit and that covert and illegal training of assassins continues today, with Russia, Israel, the U. S., Argentina, Paraguay, Chile, and other nations accused of still regularly engaging in such operations.
Most boomerangs seen today, are of the tourist or competition sort, and are almost invariably of the returning type.
Most scholars today accept the basic authenticity of the book, but see in it significant additions by a " school " of later followers of the original prophet.
Most drugs today are based on about 500 molecular targets.
Most of the major Beanoland attractions remain in operation today but have been rethemed as " Wild Asia ".
Most of these Victorian terraces still exist and, along with more modern social housing, characterise the area today.
Most hardware companies today have more software programmers on the payroll than hardware designers, since software tools have automated many tasks of Printed circuit board engineers.
Most cement kilns today use coal and petroleum coke as primary fuels, and to a lesser extent natural gas and fuel oil.
Most recreational mail today is made of butted links which are galvanized or stainless steel, this is historically inaccurate but is much less expensive to procure and maintain than historically accurate reproductions.
Most of the divisions still in existence within the Christadelphian community today stem from further divisions of the Berean fellowship.
Most of the ruins that survive today date from the most intense period of activity at the site in the 6th century BC.
Most linguists today believe that stød is a development of the word accents, rather than the other way round.
Most physicists today believe that quantum mechanics is correct, and that the EPR paradox is a " paradox " only because classical intuitions do not correspond to physical reality.
Most sites today follow how RotoNews had a " news " and " analysis " element to each player update.
" Most of his best works have been revived, and are today considered timeless fables filled with love and respect for the struggles of the common man.
Most geologists today accept that a combination of these phenomena can be used to explain granite intrusions, and that not all granites can be explained entirely by one or another mechanism.
Most terrestrial helium present today is created by the natural radioactive decay of heavy radioactive elements ( thorium and uranium ), as the alpha particles emitted by such decays consist of helium-4 nuclei.
Most scholars today agree with Homer's priority but there are good arguments on either sides.
Most famously, Hippocrates invented the Hippocratic Oath for physicians, which is still relevant and in use today.
Most hams are cured with nitrite and salt today.
Most scholars today accept that both Christian and Celtic traditions contributed to the legend's development, though many of the early Celtic-based arguments are largely discredited ( Loomis himself came to reject much of Weston and Nutt's work ).
Most IKEA suppliers fulfill the law today with exceptions for some special issues, one being excessive working hours in Asia, in countries such as China and India.
Most breeders today recommend that they not be supplemented to slow their rapid growth.
Most biblical scholars and historians of ancient Israel today view the patriarchical narratives, including the life of Jacob, as late ( 6th and 5th centuries BCE ) literary compositions that have ideological and theological purposes but are unreliable for historical reconstruction of the presettlement period of Israel ’ s past.
0.368 seconds.