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Luis (1974). Curso de Laboreo de Minas. Madrid: Universidad Politécnica de Madrid. ISBN 84-600-6254-6. Datos: Q556186 Multimedia: Mine shafts / Q556186…5 kB (800 palabras) - 20:46 4 abr 2024
239-308, ISSN 2180-3250 .. Zhao, Yucheng (2002), «Earthquake Damage to Shafts and Roadways in Kailuan», en Housner, George W.; He, Duxin, eds., The Great…45 kB (4709 palabras) - 10:03 19 abr 2024
Resultados de la Wikipedia en inglés.
- shafts, typically sunk for civil engineering projects, differ greatly in execution method from deep shafts, typically sunk for mining projects. Shaft…21 kB (2977 palabras) - 19:43 8 may 2024
- ventilation-only shafts, close to the existing mining shafts, were opened: in 1899 Shaft 7 was opened near Shaft 3, in 1900 Shaft 8 was opened near Shafts 1 and…15 kB (1880 palabras) - 09:59 8 nov 2023
- over the A and B shafts were replaced with concrete headframes in 1919; a larger modern "C" shaft and headframe was built in 1955. The mine was at one time…11 kB (1065 palabras) - 05:30 7 may 2024
- Lignite (sección Example close shaft mine)of moisture, which partially explains its low carbon content. Lignite is mined all around the world and is used almost exclusively as a fuel for steam-electric…41 kB (3744 palabras) - 05:49 22 may 2024
- Wieliczka Salt Mine is now an official Polish Historic Monument (Pomnik Historii) and a UNESCO World Heritage Site. Its attractions include the shafts and labyrinthine…22 kB (2153 palabras) - 17:21 18 jun 2024
- accumulates in old mines and can cause suffocation. "Bad Air", or poisonous gases and lack of oxygen from unventilated tunnels. Hidden mine shafts, often hidden…15 kB (1601 palabras) - 21:55 18 abr 2024
- Paul Railroad. The mine consisted of three horizontal veins, each deeper than the last. The veins were connected vertically by two shafts set some 100 yards…8 kB (914 palabras) - 18:41 11 dic 2023
- subterranean civil engineering, ventilation shafts, also known as airshafts or vent shafts, are vertical passages used in mines and tunnels to move fresh air underground…3 kB (210 palabras) - 01:05 19 jun 2024
- William R. Shafter, who at one point commanded the nearby (relatively speaking) Fort Davis.[citation needed] As of 2012, at least one silver mine, La Mina…11 kB (1034 palabras) - 11:49 20 may 2024
- Cliffs Shaft Mine Museum Hibernia mines Hull–Rust–Mahoning Open Pit Iron Mine Iron Mountain (Utah) Iron Mountain District Iron Mountain Mine Jackson Mine Minorca…643 bytes (52 palabras) - 18:17 21 mar 2022
- Charters Towers mine shafts are a heritage-listed group of mine shafts and ruins at Charters Towers, Charters Towers Region, Queensland, Australia. It…27 kB (4172 palabras) - 11:38 22 dic 2023
- The Mollie Kathleen Gold Mine is a historic vertical shaft mine near Cripple Creek, Colorado. The mine shaft descends 1,000 feet (300 m) into the mountain…5 kB (385 palabras) - 05:41 19 oct 2020
- demonstrating the evolution or pattern of Queensland's history. Mine Remains at the Day Dawn PC No. 3 shafts are located on what was one of Australia's most productive…8 kB (1057 palabras) - 11:31 22 dic 2023
- Look up shaft or shafts in Wiktionary, the free dictionary. Shaft may refer to: Shaft (mechanical engineering), a rotating machine element used to transmit…4 kB (529 palabras) - 19:55 14 jun 2024
- secondary shafts were added to bring the mine to its current depth. The mine had some 800 km (500 mi) of tunnels and employs around 5,600 miners. The mine was…9 kB (656 palabras) - 21:04 6 nov 2023
- deepest mines in the range. Named for Louis Rouchleau, who explored the area for its mining potential, the mine was initially created as a shaft mine. It…4 kB (439 palabras) - 00:46 7 oct 2022
- Drift mining (redirección desde Drift mine)1,500 tons per day. In shaft mines 600 to 700 tons daily is regarded as a good output. The first ton of coal in a shaft mine 100 feet in depth and having…14 kB (1914 palabras) - 01:55 1 may 2024
- Salina Turda (redirección desde Turda Salt Mine)Valea Valea Sărată, as evidenced by shafts in the dome of the Terezia room. Shortly after, the Sfântul Anton mine was opened, where mining activity continued…9 kB (974 palabras) - 16:19 22 nov 2023
- of the air current was down the shaft to the bottom of the mine, and up through the various winzes (intermediate shafts) to the adit level. The open end…31 kB (4250 palabras) - 01:16 24 may 2024
- the original shafts. This East Shaft would eventually reach a vertical depth of 5,912 feet (1,792 m), the deepest vertical depth gold mine in North America…4 kB (406 palabras) - 16:52 5 jun 2024
- Staatsmijn Maurits (categoría Coal mines in the Netherlands)810 m. A third shaft was completed in 1958. At the time of completion of the third shaft, the Maurits mine was the largest two-shafts mine in the world…3 kB (307 palabras) - 17:01 6 jun 2017