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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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FEATURE *
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Areas of indeterminate function.
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BOUNDARY DITCH *
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A ditch that indicates the limit of an area or a piece of land.
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WOOD *
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A tract of land with trees, sometimes acting as a boundary or barrier, usually smaller and less wild than a forest.
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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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CRESCENT *
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A row of houses whose facade in plan follows the concave arc of a circle or ellipse, eg. The Royal Crescent, Bath.
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FARM *
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A tract of land, often including a farmhouse and ancillary buildings, used for the purpose of cultivation and the rearing of livestock, etc. Use more specific type where known.
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RAILWAY *
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A line or track consisting of iron or steel rails, on which passenger carriages or goods wagons are moved, usually by a locomotive engine.
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* Copyright of English Heritage (1999)