room mining
31Amber Room — The original Amber Room (English sometimes Amber Chamber , ru. Янтарная комната , de. Bernsteinzimmer, pl. Bursztynowa komnata) in the Catherine Palace of Tsarskoye Selo near Saint Petersburg is a complete chamber decoration of amber panels… …
32Drift mining — is either the mining of a placer deposit by underground methods, or the working of coal seams accessed by adits driven into the surface outcrop of the coal bed. Drift is a more general mining term, meaning a near horizontal passageway in a mine,… …
33Miners' survival during 2010 Copiapó mining accident — Main article: 2010 Copiapó mining accident The 2010 Copiapó mining accident began as a cave in on 5 August, 2010 at the San José copper gold mine in the Atacama Desert near Copiapó, Chile. The accident left 33 men trapped 700 meters… …
34Springhill mining disaster — Mine shed at Springhill, NS The term Springhill mining disaster can refer to any of three separate Canadian mining disasters which occurred in 1891, 1956, and 1958 in different mines within the Springhill coalfield, near the town of Springhill in …
35Longwall mining — is a form of underground coal mining where a long wall (typically about 250 400 m long) of coal is mined in a single slice (typically 1 2 m thick). The longwall panel (the block of coal that is being mined) is typically 3 4 km long and 250 400 m… …
36McArthur Mining Company — Historical Marker showing location in Corunna of Michigan s first coal mine The McArthur Mining Company (a.k.a. Corunna Coal Company) is a defunct coal mining company. It was Michigan s first coal mine, with the first coal mined in 1839.[1] …
37Shaft mining — Abandoned mine shafts in Marl, Germany. A …
38Nuttallburg Coal Mining Complex and Town Historic District — U.S. National Register of Historic Places U.S. Historic district …
39North East England Mining Archive and Resource Centre — Coordinates: 54°54′17″N 1°23′29″W / 54.9046°N 1.3915°W / 54.9046; 1.3915 The North East …
40Ground room — ground ground (ground), n. [OE. ground, grund, AS. grund; akin to D. grond, OS., G., Sw., & Dan. grund, Icel. grunnr bottom, Goth. grundus (in composition); perh. orig. meaning, dust, gravel, and if so perh. akin to E. grind.] 1. The surface of… …
