A map unit of two or more kinds of [[soil]] in such an intricate pattern or so small in area that it is not practical to map them separately at the selected scale of mapping. The pattern and proportion of the soils are somewhat similar in all areas.
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'''Complex soil''' is a map unit of two or more kinds of [[soil]] in such an intricate pattern or so small in area that it is not practical to [[map]] them separately at the selected scale of mapping. The pattern and proportion of the soils are somewhat similar in all areas.