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Modern
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The Modern Period, about 1915 AD to the present (the 20th and 21st centuries AD)
In recent years archaeologists have realised the importance of recording modern sites. They do this so that in the future people will be able to look at the remains to help them understand the events to which they are related. more ->
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Imperial
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1751 AD to 1914 AD (end of the 18th century AD to the beginning of the 20th century AD)
This period comes after the Post Medieval period and before the modern period and starts with beginning of the Industrial Revolution in 1750. It includes the second part of the Hannoverian period (1714 – 1836) and the Victorian period (1837 – 1901). The Imperial period ends with the start of the First World War in 1914. more ->
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modern
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About 1915 AD to the present (the 20th and 21st centuries AD)
In recent years archaeologists have realised the importance of recording modern sites. They do this so that in the future people will be able to look at the remains to help them understand the events to which they are related. more ->
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WEIR *
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A dam constructed on the reaches of a canal or river designed to retain the water and to regulate its flow.
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LOCK *
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A section of the water channel on a canal or river shut off above and below by lock gates provided with sluices to let the water out and in, and thus raise or lower boats from one level to another. Use more specific type where known.
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CANAL *
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An artificial navigable waterway used for the transportation of goods. Nowadays also used for recreational purposes.
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CANAL LOCK *
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A rectangular chamber of brick or stone with heavy wooden gates at either end equipped with sluices to let water in and out, thereby enabling a canal boat to be lowered or raised to a different level.
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STRUCTURE *
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A construction of unknown function, either extant or implied by archaeological evidence. If known, use more specific type.
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* Copyright of English Heritage (1999)