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Aerial Photograph
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Aerial photographs are taken during an aerial survey, which involves looking at the ground from above. It is usually easier to see cropmarks and earthworks when they are viewed from above. Aerial photographs help archaeologists to record what they see and to identify new sites. There are two kinds of aerial photographs; oblique and vertical.
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Prehistoric
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About 500,000 BC to 42 AD
The Prehistoric period covers all the periods from the Palaeolithic to the end of the Iron Age.
This is a time when people did not write anything down so there is no documentary evidence for archaeologists to look at. Instead, the archaeologists look at the material culture belonging to the people and the places where they lived for clues about their way of life.
The Prehistoric period is divided into the Early Prehistoric and Later Prehistoric.
The Early Prehistoric period covers the Palaeolithic and Mesolithic periods.
The Later Prehistoric period covers Neolithic, Bronze Age and Iron Age times.
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Roman
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About 43 AD to 409 AD (the 1st century AD to the 5th century AD)
The Roman period comes after the Iron Age and before the Saxon period.
The Roman period in Britain began in 43 AD when a Roman commander called Aulus Plautius invaded the south coast, near Kent. There were a series of skirmishes with the native Britons, who were defeated. In the months that followed, more Roman troops arrived and slowly moved westwards and northwards.
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SITE *
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Unclassifiable site with minimal information. Specify site type wherever possible.
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SETTLEMENT *
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A small concentration of dwellings.
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RECTILINEAR ENCLOSURE *
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A monument consisting of an area of land enclosed by a ditch, bank, wall, palisade or similar barrier, where the barrier consists of several straight or near straight sections.
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PIT CLUSTER *
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A spatially discrete group of pits usually containing artefactual material with little or no accompanying evidence for structural features.
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PIT *
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A hole or cavity in the ground, either natural or the result of excavation. Use more specific type where known.
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VILLA *
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A term for a type of house, with varying definitions according to period. Roman villas were high-status and usually associated with a rural estate, whereas Georgian and later period villas were often semi-detached, town houses.
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ENCLOSED SETTLEMENT *
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A site used primarily for domestic purposes on at least a semi-permanent or seasonal basis, and which has been surrounded by a bank and ditch, palisade, or some other form of enclosure. Use more specific type(s) where appropriate.
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* Copyright of English Heritage (1999)
