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Cropmark
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Cropmarks appear as light and dark marks in growing and ripening crops. These marks relate to differences in the soil below. For example, parched lines of grass may indicate stone walls. Crops that grow over stone features often ripen more quickly and are shorter than the surrounding crop. This is because there is less moisture in the soil where the wall lies.
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excavation
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Archaeologists excavate sites so that they can find information and recover archaeological materials before they are destroyed by erosion, construction or changes in land-use.
Depending on how complicated and widespread the archaeological deposits are, excavation can be done by hand or with heavy machinery. Archaeologists may excavate a site in a number of ways; either by open area excavation, by digging a test pit or a trial trench. more ->
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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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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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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. 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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SITE *
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Unclassifiable site with minimal information. Specify site type wherever possible.
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FEATURE *
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Areas of indeterminate function.
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ROAD *
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A way between different places, used by horses, travellers on foot and vehicles.
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PIT ALIGNMENT *
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A single line, or pair of roughly parallel lines, of pits set at intervals along a common axis or series of axes. The pits are not thought to have held posts.
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FIELD SYSTEM *
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A group or complex of fields which appear to form a coherent whole. Use more specific type where known.
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DITCH *
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A long and narrow hollow or trench dug in the ground, often used to carry water though it may be dry for much of the year.
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FIELD DRAIN *
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An unsocketed earthenware or porous concrete pipe laid end to end unjointed so as to drain the ground.
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TRACKWAY *
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A pathway, not necessarily designed as such, beaten down by the feet of travellers.
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DRAINAGE DITCH *
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A long, narrow ditch designed to carry water away from a waterlogged area.
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* Copyright of English Heritage (1999)