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Geophysical Survey
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The measuring and recording of electrical resistivity or magnetism in order to determine the existence and outline of buried features such as walls and ditches. Geophysical techniques include resistivity survey, magnetometer survey and ground penetrating radar.
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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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SETTLEMENT *
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A small concentration of dwellings.
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STONE *
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Use only where stone is natural or where there is no indication of function.
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BOUNDARY *
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The limit to an area as defined on a map or by a marker of some form, eg. BOUNDARY WALL. Use specific type where known.
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FEATURE *
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Areas of indeterminate function.
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GULLY *
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A deep gutter, drain or sink.
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FARMSTEAD *
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The homestead of a farm consisting of a farmhouse and working farm buildings, with yards, other working areas and usually a garden to the house.
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WIND FARM *
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A group of electricity-producing windmills or wind turbines.
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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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ENCLOSURE *
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An area of land enclosed by a boundary ditch, bank, wall, palisade or other similar barrier. Use 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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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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* Copyright of English Heritage (1999)