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Data

DEP Wetlands (1:12,000): MassGIS

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Office of Geographic Information

Direct link: http://www.mass.gov/anf/research-and-tech/it-serv-and-support/application-serv/office-of-geographic-information-massgis/datalayers/depwetlands112000.html

The DEP Wetlands datalayer comprises two feature types, polygons and arcs (lines). The attribute codes in the  polygon layer describe different types of wetland environments and the arc attributes describe line types based on adjacent polygon types or arcs defined as hydrologic connections.