crushed stone base

  • 11Concrete — This article is about the construction material. For other uses, see Concrete (disambiguation). Outer view of the Roman Pantheon, still the largest unreinforced solid concrete dome.[1] …

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  • 12macadam — /meuh kad euhm/, n. 1. a macadamized road or pavement. 2. the broken stone used in making such a road. [1815 25; named after J. L. McAdam (1756 1836), Scottish engineer who invented it] * * * Form of pavement invented by John McAdam. McAdam s… …

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  • 13Permanent way — The permanent way means the physical elements of the railway line itself: generally the pairs of rails typically laid on sleepers embedded in ballast, intended to carry the ordinary trains of a railway. This page describes British practice and… …

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  • 14Michels Corporation — is an international utility, engineering, design and construction contractor based in Brownsville, Wisconsin. With more than 4,500 employees in its 15 divisions and subsidiaries, Michels is the largest construction company in Wisconsin. It… …

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  • 15Kinsley Construction — is a family owned business, founded in 1963 as a concrete services subcontractor. In the 1970s, Kinsley began serving the general contracting needs of clients, but retained the original trades people to continue performing many project tasks in… …

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  • 16Track (rail transport) — Permanent way redirects here. For other uses, see Permanent way (disambiguation). Twin rail tracks in a wooded area …

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  • 17Cambodia — /kam boh dee euh/, n. a republic in SE Asia: formerly part of French Indochina. 11,163,861; 69,866 sq. mi. (180,953 sq. km). Cap.: Phnom Penh. Formerly, People s Republic of Kampuchea, Khmer Republic. * * * Cambodia Introduction Cambodia… …

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  • 18tunnels 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 …

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  • 19Georgia — /jawr jeuh/, n. 1. a state in the SE United States. 5,464,265; 58,876 sq. mi. (152,489 sq. km). Cap.: Atlanta. Abbr.: GA (for use with zip code), Ga. 2. Also called Georgian Republic. a republic in Transcaucasia, bordering on the Black Sea, N of… …

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  • 20Marcellus Formation — Stratigraphic range: Middle Devonian …

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