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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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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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FORTIFICATION *
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A usually permanent defensive work. Use specific type where known.
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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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GUN EMPLACEMENT *
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A fortified site in which a gun, mortar or cannon is positioned.
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AIRCRAFT *
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An aircraft, either whole or in part. Aircraft often survive as commemorative monuments, gate guardians or crash sites.
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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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COPPICE *
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A managed small wood or thicket of underwood grown to be periodically cut to encourage new growth providing smaller timber.
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ANTI AIRCRAFT BATTERY *
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A site containing one or more artillery pieces and/or rocket launchers for firing at enemy aircraft.
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* Copyright of English Heritage (1999)