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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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SITE *
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Unclassifiable site with minimal information. Specify site type wherever possible.
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LOCK KEEPERS COTTAGE *
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The residence of a lock-keeper.
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GARDEN FEATURE *
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Unspecified landscape feature. Use more specific type where known.
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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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WELL *
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A shaft or pit dug in the ground over a supply of spring-water.
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BRIDGE *
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A structure of wood, stone, iron, brick or concrete, etc, with one or more intervals under it to span a river or other space. Use specific type where known.
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WALL *
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An enclosing structure composed of bricks, stones or similar materials, laid in courses. Use specific type where known.
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* Copyright of English Heritage (1999)