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After 1963, the Oldcastle line was left to deteriorate. [15] Most tracks west of Navan were ripped up but a single-arch bridge, Cooney's Bridge, built over the line in the late 1800s remains intact to this day (the National Inventory of Architectural Heritage argues that the bridge was built in 1880 [16] but carvings in the bridge's stonework clearly date it back to 1862).
Ponies began to be used underground, often replacing child or female labour, as distances from pit head to coal face became greater. The first known recorded use in Britain was in the County Durham coalfield in 1750; in the United States, mules were the dominant source of animal power in the mine industry, with horses and ponies used to a ...
Cart from 16th century, found in Transylvania A dumper minecart used in the Basque Country, currently at the Minery Museum.. A minecart, mine cart, or mine car (or more rarely mine trolley or mine hutch) is a type of rolling stock found on a mine railway, used for transporting ore and materials procured in the process of traditional mining.
Tunnel Construction. Tunnels are dug in types of materials varying from soft clay to hard rock. The method of tunnel construction depends on such factors as the ground conditions, the ground water conditions, the length and diameter of the tunnel drive, the depth of the tunnel, the logistics of supporting the tunnel excavation, the final use and shape of the tunnel and appropriate risk management.
Archaeologists found three more ceramic jars of coins in nearby ruins of a masonry building from medieval France.
A box cut (box pit) is a small open cut built to supply a secure and safe entrance as access to a slope to an underground mine. Generally the box cut is sunk until sufficiently unweathered rock is found to permit the development of the decline. [ 1 ]
Occasionally, station boxes are left uncovered, such as at Stratford International in London, UK – which is located in "Stratford Box", a 1.1-kilometre (0.68 mi) concrete-sided cutting. [ 8 ] The lowest level – where the platform for the arriving and departing trains is – is called the "platform level".
A utility vault is an underground room providing access to subterranean public utility equipment, such as valves for water or natural gas pipes, or switchgear for electrical or telecommunications equipment. A vault is often accessible directly from a street, sidewalk or other outdoor space, thereby distinct from a basement of a building. [1] [2]
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