two-way mining

См. также в других словарях:

• Mining industry of Angola — Mining in Angola is an activity with great economic potential since the country has one of the largest and most diversified mining resources of Africa. Angola is the third largest producer of diamonds in Africa and has only explored 40% of the… …   Wikipedia

• Mining archaeology in British Isles — Mining Archaeology is a specific field well developed in the British Isles during recent decades. A reason of ongoing interest in this field is the particular bond between regional history and the exploitation of metals. References to mines in… …   Wikipedia

• Mining in New Zealand — began when the indigenous Māori quarried rock such as argillite in times prior to European colonisation.[1] Mining by Europeans began in the latter half of the 19th century. New Zealand has abundant resources of coal, silver, iron ore, limestone… …   Wikipedia

• Mining in Zambia — Centres of mining operations include Konkola and Kitwe. Contents 1 Mining in Kitwe 1.1 Mopani Copper Mines 1.2 Konkola Copper Mine 1.3 Rokana Mine …   Wikipedia

• Two Years Before the Mast — is a book by the American author Richard Henry Dana, Jr., written after a two year sea voyage starting in 1834 and published in 1840. A film adaptation under the same name was released in 1946. Background While at Harvard College Dana had an… …   Wikipedia

• Way shaft — 1. (Mach.) A rock shaft. [1913 Webster] 2. (Mining) An interior shaft, usually one connecting two levels. Raymond. [1913 Webster] …   The Collaborative International Dictionary of English

• mining — /muy ning/, n. 1. the act, process, or industry of extracting ores, coal, etc., from mines. 2. the laying of explosive mines. [1250 1300; ME: undermining (walls in an attack); see MINE2, ING1] * * * I Excavation of materials from the Earth s… …   Universalium

• Mining — This article is about the extraction of geological materials from the Earth. For the municipality in Austria, see Mining, Austria. For the siege tactic, see Mining (military). For name of the Chinese emperor, see Daoguang Emperor. Simplified… …   Wikipedia

• Mining in the Upper Harz — The headframe of the Emperor William Shaft in Clausthal is one of the oldest surviving winding towers in Germany …   Wikipedia

• Mining in Western Australia — Main article: Mining in Australia Mining in Western Australia Position of Western Australia within Australia highlighted Loc …   Wikipedia

• Two Harbors, Minnesota — Infobox Settlement official name = Two Harbors, Minnesota settlement type = City nickname = motto = imagesize = 250px image caption = Aerial view of Two Harbors image image mapsize = 250px map caption = Location of Two Harbors, Minnesota mapsize1 …   Wikipedia