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Glossary of Mining Terms – Legends of America

Salting a Mine – Placing mineral or ore in barren places to swindle. Shaft – A vertical or inclined excavation for purpose of prospecting or working mines. Shaker Table – Like a giant gold pan, an engine drives a belt that vibrates a huge bucket. Side Lines – The lines which bound the sides of a claim.

Shaft sinking

These eight vertical mine shafts are to be found amongst the suburban streets of Charters Towers and were developed during the period of intense gold mining that occurred on the Charters Towers Goldfield from 1872 to 1917. During this forty-five-year period, Charters Towers became one of the most important goldfields in Queensland, and in ...

Gwin Mine (Paloma Mine; Gwin Extension No. 1 Mine), Paloma ...

The Gwin Mine was developed by a 2,533-foot vertical main shaft, an 1,800-foot inclined south shaft that follows the foot wall of the main vein, and several old shallow shafts. There are more than 25,000 feet of underground workings. Levels were turned on the main shaft at 1,200, 1,400, 1,600, 1,750, 1,900, 2,100, 2,300, and 2,400-foot levels.

Shaft sinking from 1800 to 1900: Cousin Jacks

 · Shaft sinking from 1800 to 1900: ... the cementation process took place in 1864 when a break occurred in the brick shaft lining in one of the Rhine Preussen mine shafts, at a depth of 270 feet. The inflow was stopped by pumping in a thin water-cement mix into the area of the leak using a hand pump. ... Vertical Shaft Sinking. London: Ernest ...

Coal Mining in Cape Breton & colliery systems

In the 1840 ''horse gin'' hoist illustration above, a pit with a vertical shaft was depicted. As this 1880s textbook suggests, many additional techniques had been worked out to tunnel out coal however it lay. After the bell pit design was abandoned, a coal mine became a complex piece of architecture ...

The Comstock Lode | Mining Maps and Views

By 1900, it again contracted to 2,695. These numbers don''t fully reflect the boom and bust economy that characterized mining towns across the west. Walter Nugent states that between 1872 and 1878 there may have been as many as 20,000 people in ia City and Gold Hill with over 15,000 still in both towns in the 1880 census, 24% of the ...

Abandoned vertical mine shafts: environmental values and risks

Furthermore, vertical mine shafts were indicated as the focus of interest in terms of their risk to the public, and the need for their future closure. This assessment targets key taxonomic groups known, and potentially known, to occupy abandoned vertical mine shafts, and includes an assessment of the

McElroy Mine Shaft Explosion

McElroy Mine Shaft Explosion Investigation Summary ... over vertical rebar wrapped with horizontal cables. Opening left for door. Forms Vertical and ... • Section 104(d)(1) Order, 77.1900-1, S&S, Reckless Disregard The operator was not in compliance with the approved Shaft

In 1900, an estimated 10,000 men worked in Butte mines ...

In 1900, approximately 10,000 men worked in the Butte mines. Each man would take three or four candles with him underground, depending on the length of his shift, eight or ten hours, or longer ...

Mining History of the Western Mojave Desert

 · But the mine soon fell into litigation and little more was heard until from the area until May 1900. At that time the Cow Boy Mine was shipping ore to smelters from the Zada and Gold Peak claims situated in Studhorse Canyon. The mine was worked steadily through 1906 employing from 12 to 40 men, and shipping 10 to 15 tons per day.

Silver King Mining Company, Mineshaft & Main Hoist ...

Built directly over the vertical mine shaft that served as the main outlet for the mine, it was this hoist that lifted the ore the surface. The original hoist was a Corliss engine steam-driven hoist made by Bullock Manufacturing Company and installed in 1893.

New process technologies in European coal production, 1850 ...

Vertical-entrance mines required a stronger method of ventilation. Here mine engineers used their knowledge that warm air rises to sink two shafts, the downcast shaft that carried air into the mine from above, and the upcast to carry stale air and firedamp to the surface. At the

Innovative ways to repurpose old mines

 · By the mid 1900''s the bottom had fallen out of the mushroom market so Herman looked around for other ways to use his mine. The Cold War, and all the fears and mistrust it …

Charters Towers Gold Mine Shafts and Remains | Environment ...

 · The vertical shaft was continued with formations being opened up at 1,453ft (approximating the Brilliant reef) and1868ft. By 1916 the company held GMLs 2478 and 2483 and had raised 7 626 tons of ore with a yield of 8,157 oz of gold and dividends of £1500. The mine closed in June 1916. (h) ST GEORGE AND MOONSTONE MINE SHAFT AND REMAINS

Former Mining Communities of the Cherokee-Crawford Coal ...

The tipple, engine house, and tailing pile of former Crowe Company No. 16 shaft mine, active in the 1920''s. Sixteen Camp was near the mine. Mine and camp have been defunct for many years, and there are now no surface remains of either. Photo courtesy of Mrs. L. C. Caldwell, Croweburg. FIGURE 4. Croweburg Camp in eastern Crawford county about 1920.

Coal Mining in Iowa

Coal mining camp houses about 1900. Location unknown. One of the best remembered and most unusual coal camps was located in Monroe County in southern Iowa. Buxton, as it was called, was a thriving coal community during the early 1900s. ... When the deposit was so deep that a slope would be difficult to construct, a vertical shaft was sunk down ...

Virtual lecture digs up the deep history of mine shaft ...

 · Mine shafts are vertical tunnels that give miners access to valuable materials. Sinking a shaft, which is another way of saying boring holes in the ground for mining, was hard, physical work, especially in the late 1800s, said Dr. Michael Nelson, former chairman of the University of Utah''s department of mining engineering.

Process technology adoption in European coal, 1850-1900 ...

Vertical-entrance shaft mines required a stronger method of ventilation. Here mine engineers used their knowledge that warm air rises to sink two shafts, one at each end of the gallery where the coal was mined. The downcast shaft carried air into the mine from above, and

Vertical Shaft Sinking Machine (VSM)

Vertical Shaft Sinking Machines (VSM) in operation. For quick and reliable construction of vertical shafts, Herrenknecht developed its VSM (Vertical Shaft Sinking Machine) technology, today an established product on the market. This unique mechanized shaft sinking equipment shows its strengths particularly below groundwater.

Shaft Mining, Mining Techniques, Underground Mining ...

Shaft mining is a form of underground mining where shafts are pushed vertically from top to bottom to excavate the ores and minerals. It is also called shaft sinking. It is best suited for concentrated minerals such as iron, coal, etc. which can be found at the depth of the earth''s surface. It …

Rainy Lake Gold Rushto Little American Island?

vertical gold mine shaft. This waste rock left over from the mining process is located on the south side of the island. We encourage you to continue your exploration into the Rainy Lake gold fields and to find the Bushyhead Island mine entrance. We encourage visitors to explore the park, but please ...

ANTHRACITE COAL MINES AND MINING. | eHISTORY

A shaft is usually located so that its foot shall be in the bottom of a synclinal valley, in order that as the mine is opened up the slope it will drain itself into a sump, and the coal will be sent clown the grade to the shaft. The lowest place in a mine is the usually near the foot of the shaft,—from which the water is pumped to the surface ...

Gwin Mine – Western Mining History

Comment (Workings): The Gwin Mine was developed by a 2533-foot vertical main shaft, an 1800-foot inclined south shaft that follows the foot wall of the main vein, and several old shallow shafts. There are more than 25,000 feet of underground workings.

Raise Bore | Vertical Raising | DMC Mining Services

Raise Boring is a powerful and precise way to excavate raises with smooth walls that don''t require finishing, making it the preferred method for creating ventilation shafts. Raise boring techniques are also used to excavate various raises and shafts for your civil construction projects.

Colorado-Mines

The town of Gilman and nearby mining operations were developed in the 1880s by John Clinton, a prospector, judge, and speculator from nearby Redclliff. In 1887, gold and silver were discovered in two vertical chimneys at the Ground Hog Mine, which continued to …

Laser controlled equipment for construction, surveying and ...

Quad 1000HD - "Heavy Duty" Vertical Plumb Lasers. Vertical Mining - Shaft Alignment Jobs. The Quad 1000 HD Series Lasers consist of two models, the Quad 1000 HDD which provides a self-leveling downward shooting laser and the Quad 1000 HDU upward (Zenith) laser for vertical plumb control.Both models provide long range vertical plumb control up to 2,000 feet (610m) plus high accuracy of +/- …

Michigan-Copper-Mines

By 1900, it was determined that the original Albany & Boston shaft, which was driven into conglomerate, had more potential so the company enlarged the shaft and made it its primary production shaft. Operations continued until 1920, when the mine was closed.

Facts — Detroit Salt Company

Shaft - A primary vertical or non-vertical opening through mine strata used for ventilation or drainage and/or for hoisting of personnel or materials; connects the surface with underground workings. Skip - A car being hoisted from a slope or shaft. Timber - A collective term for underground wooden supports. Trip - A train of mine cars.

Anglo American ends DMC Mining shaft sinking contract at ...

 · Herrenknecht developed the SBR for the mechanised sinking of blind shafts in soft to medium-hard rock. Based on the technology of the Herrenknecht Vertical Shaft Sinking Machine, the SBR offers improved safety performance compared with conventional shaft sinking methods while also achieving higher advance rates, according to the company.

Scranton, Pennsylvania

Vertical shafts frequently used a furnace at the bottom of the shaft to create a flow of air to ventilate the mine. These practices increased the risk to the miners. In the working areas, the coal was loaded into mine cars and pulled by mules to the tipple or to the bottom of the shaft or incline for hoisting.

Quartz | Colorado Miners | Doing History Keeping the Past

 · Mine Shaft Near Cripple Creek. This photo shows a miner standing beside a vertical mine shaft. He is resting his hand on a windlass or lifting device. The photo was taken near Cripple Creek, where gold was discovered in 1891. Photo: Colorado Historical Society. More About This Topic

Chester Mining

Chester Mining Company (CHMN) was founded in Coeur d''Alene in 1900 to explore the Chester property, just east of the Sunshine Mine, in the heart of Idaho''s world-famous Silver Valley. The property was later operated by Sunshine Mining & Refining and …

Utah''s Mining Heritage

Mine shafts are vertical mine openings. They represent the number one cause of death and injury in abandoned mines. Because no light enters a mine shaft, the depth is difficult to assess. The shaft collar may be loose and unconsolidated. This material can break away, causing individuals to fall into the shaft. Darkness, loose debris,

Gogebic and Others: Mining History: Mine Shafts of Michigan:

Mine shafts in Michigan varied in depth from about 100 feet to over 3,000 feet for iron mines, the shafts usually being vertical. Copper Mines were often deeper, with some shafts being over a mile deep vertically. Most of the deep copper mine shafts were at an angle, ranging between 28 to 73 degrees in angle of descent, so the depth at the ...