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OS Card
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Ordnance Survey Record Card. Before the 1970s the Ordnance Survey (OS) were responsible for recording archaeological monuments during mapping exercises. This helped the Ordnance Survey to decide which monuments to publish on maps. During these exercises the details of the monuments were written down on record cards. Copies of some of the cards are kept at the Warwickshire Sites and Monuments Record. The responsibility for recording archaeological monuments later passed to the Royal Commission on Ancient and Historic Monuments.
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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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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.
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Neolithic
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About 4000 BC to 2351 BC
The word ‘Neolithic’ means ‘New Stone Age’. Archaeologists split up the Neolithic period into three phases; early, middle and late. The Neolithic period comes after the Mesolithic period and before the Bronze Age.
People in the Neolithic period hunted and gathered food as their ancestors had but they were also began to farm. They kept animals and grew crops. This meant that they were able to settle more permanently in one location instead of constantly moving from place to place to look for food.
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Bronze Age
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About 2500 BC to 700 BC
The Bronze Age comes after the Neolithic period and before the Iron Age.
The day to day life of people in the Bronze Age probably changed little from how their ancestors had lived during the Neolithic period. They still lived in farmsteads, growing crops and rearing animals.
During the Bronze Age people discovered how to use bronze, an alloy of tin and copper (hence the name that has given to this era). They used it to make their tools and other objects, although they continued to use flint and a range of organic materials as well. A range of bronze axes, palstaves and spears has been found in Warwickshire.
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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.
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LAYER *
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An archaeological unit of soil in a horizontal plane which may seal features or be cut through by other features.
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HENGE *
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Circular or sub-circular enclosure defined by a bank and (usually internal) ditch, with one or two (rarely more) entrances. Of ceremonial/ritual function, they contain a variety of internal features including timber or stone circles.
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SITE *
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Unclassifiable site with minimal information. Specify site type wherever possible.
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RUNWAY *
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A hard level roadway or other surface from which aircraft take off and land.
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RING DITCH *
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Circular or near circular ditches, usually seen as cropmarks. Use the term where the function is unknown. Ring ditches may be the remains of ploughed out round barrows, round houses, or of modern features such as searchlight emplacements.
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BOMBING RANGE MARKER *
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A range marker allowing bombers to locate the bombing range.
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AIRFIELD *
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An area or site used for the landing and take-off of aircraft, often including associated buildings, equipment and other installations.
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* Copyright of English Heritage (1999)
