inverted drainage well

  • 41Economic Affairs — ▪ 2006 Introduction In 2005 rising U.S. deficits, tight monetary policies, and higher oil prices triggered by hurricane damage in the Gulf of Mexico were moderating influences on the world economy and on U.S. stock markets, but some other… …

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  • 42Argentina — /ahr jeuhn tee neuh/; Sp. /ahrdd hen tee nah/, n. a republic in S South America. 35,797,536; 1,084,120 sq. mi. (2,807,870 sq. km). Cap.: Buenos Aires. Also called the Argentine. Official name, Argentine Republic. * * * Argentina Introduction… …

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  • 43climate — /kluy mit/, n. 1. the composite or generally prevailing weather conditions of a region, as temperature, air pressure, humidity, precipitation, sunshine, cloudiness, and winds, throughout the year, averaged over a series of years. 2. a region or… …

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  • 44mining — /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… …

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  • 45River delta — Nile River delta, as seen from Earth orbit. The Nile is an example of a wave dominated delta that has the classic Greek delta (Δ) shape after which river deltas were named. A delta is a landform that is formed at the mouth of a river where that… …

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  • 46Comstock Lode — Bonanza ore, Consolidated California and Virginia Mine, Comstock Lode The Comstock Lode was the first major U.S. discovery of silver ore, located under what is now Virginia City, Nevada, on the eastern slope of Mount Davidson, a peak in the… …

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  • 47insect — insectival /in sek tuy veuhl/, adj. /in sekt/, n. 1. any animal of the class Insecta, comprising small, air breathing arthropods having the body divided into three parts (head, thorax, and abdomen), and having three pairs of legs and usually two… …

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  • 48Slovenia — /sloh vee nee euh, veen yeuh/, n. a republic in SE Europe: formerly part of Yugoslavia. 1,945,998; 7819 sq. mi. (20,250 sq. km). Cap.: Ljubljana. * * * Slovenia Introduction Slovenia Background: The Slovene lands were part of the Holy Roman… …

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  • 49Retaining wall — A retaining wall is a structure that holds back soil or rock from a building, structure or area. Retaining walls prevent downslope movement or erosion and provide support for vertical or near vertical grade changes. Cofferdams and bulkheads,… …

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  • 50Leeds — This article is about the city of Leeds in England. For the administrative district, see City of Leeds. For other uses, see Leeds (disambiguation). Leeds   City and Metropolitan Borough   City of Leeds …

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