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This layer displays the location of features too small to delineate at the mapping scale, but they are large enough and contrasting enough to significantly influence use and management. The soil map units are linked to attributes in the National Soil Information System relational database, which gives the proportionate extent of the component soils and their properties.This data set has been customized for use by the M-NCPPC, Prince George's County Planning Department as follows: the Soil Data Viewer ArcMap extension was used to symbolize soil mapunit data for each of the following categories: Drainage Class, Hydric Rating, Hydologic Soil Group, K-factor (whole soil), and Mapunit name. Each data sets symbology, produced by the Soil Data Viewer, was saved as a layer and each data table was joined to the data set for Mapunit name, using MUKEY as the join field. 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