to rock gravel for gold
21United Kingdom — a kingdom in NW Europe, consisting of Great Britain and Northern Ireland: formerly comprising Great Britain and Ireland 1801 1922. 58,610,182; 94,242 sq. mi. (244,100 sq. km). Cap.: London. Abbr.: U.K. Official name, United Kingdom of Great… …
22Open-pit mining — El Chino, located near Silver City, New Mexico, is an open pit copper mine …
23United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… …
24Mining — 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… …
25Lucinda Williams — Infobox musical artist | Name = Lucinda Williams Img capt = Lucinda Williams Img size = Background = solo singer Birth name = Alias = Born = birth date and age|1953|1|26 Died = Origin = Lake Charles, Louisiana, U.S. Instrument = vocals, guitar… …
26Antarctica — /ant ahrk ti keuh, ahr ti /, n. the continent surrounding the South Pole: almost entirely covered by an ice sheet. ab. 5,000,000 sq. mi. (12,950,000 sq. km). Also called Antarctic Continent. * * * Antarctica Introduction Antarctica Background:… …
27tunnels 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 …
28Cave Junction, Oregon — Infobox Settlement official name = Cave Junction, Oregon settlement type = City nickname = motto = Gateway to the Oregon Caves imagesize = image caption = image imagesize = image caption = image mapsize = 250x200px map caption = Location in… …
29Oxley Wild Rivers National Park — Oxley Wild Rivers IUCN Category Ib (Wilderness Area) Apsley Falls, Walcha, NSW showing one of several lookouts Nearest town/city Walcha …
30performing arts — arts or skills that require public performance, as acting, singing, or dancing. [1945 50] * * * ▪ 2009 Introduction Music Classical. The last vestiges of the Cold War seemed to thaw for a moment on Feb. 26, 2008, when the unfamiliar strains …
