underground mine survey

См. также в других словарях:

• Soudan Underground Mine State Park — Hinweistafel auf Sohle 27. Der Soudan Underground Mine State Park ist ein State Park in Minnesota und liegt an der Stelle der Soudan Underground Mine am südlichen Ufer vom Lake Vermilion. Das Bergwerk ist das älteste, tiefste und ehemals reichste …   Deutsch Wikipedia

• Underground coal gasification — (UCG) is an in situ gasification process carried out in non mined coal seams using injection and production wells drilled from the surface, which enables the coal to be converted into product gas. The process is flexible in operation and is… …   Wikipedia

• Mine exploration — This article is about visiting mines. For searching for minerals, see Mineral exploration. Mine exploration is a hobby in which people visit abandoned mines, quarries, and sometimes operational mines. Enthusiasts usually engage in such activities …   Wikipedia

• National Mine Map Repository — Agency overview Formed 1982 Headquarters Pittsburgh, Pennsylvania …   Wikipedia

• Domtar mine — Location …   Wikipedia

• King Edward Mine — The King Edward Mine is a mine wholly owned by the Camborne School of Mines of the University of Exeter.At the end of the 19th century students at the Camborne School of Mines spent much of their time doing practical mining and tin dressing work… …   Wikipedia

• Pebble Mine — Infobox Settlement name = Pebble prospect pushpin pushpin label position = left pushpin map caption = Location of the Pebble prospect in Alaska pushpin mapsize = subdivision type = Country subdivision name = United States subdivision type1 =… …   Wikipedia

• Consol Energy Mine Map Preservation Project — Location University of Pittsburgh Key people Amy E. Baker Conservator Area served Southwestern Pennsylvania Focus mine map preservation, digitization and archiving Website …   Wikipedia

• tunnels and underground excavations — ▪ engineering Introduction        Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening …   Universalium

• HISTORICAL SURVEY: THE STATE AND ITS ANTECEDENTS (1880–2006) — Introduction It took the new Jewish nation about 70 years to emerge as the State of Israel. The immediate stimulus that initiated the modern return to Zion was the disappointment, in the last quarter of the 19th century, of the expectation that… …   Encyclopedia of Judaism

• Crandall Canyon Mine — Coordinates: 39°27′36″N 111°10′04″W / 39.460000°N 111.167639°W / 39.460000; 111.167639 The Crandall Canyon Mine, formerly Genwal …   Wikipedia