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It might be possible, using photointerpretation- or field-based editing, to improve the accuracy of the variables that are key to a particular application; our mapping methods lend themselves to this kind of updating.
Secondly, aerial photointerpretation of landforms, vegetation, land use, photo tone, and relief can greatly reduce the amount of costly field work required to accurately set soil map unit boundaries.
See also: Information, Cover, Area, Location, Mapping
 
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