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Vernon, requiring property owners to obtain permission from the National Park Service before felling any tree larger than six inches in diameter or 30 feet in height. Questions about easements and requests for permission to remove trees should be emailed to the National Park Service at PISC_Easements@nps.gov.", "geometryType": "esriGeometryPolygon", "sourceSpatialReference": { "wkid": 103069, "latestWkid": 6488 }, "copyrightText": "Data originally created for the Piscataway Easement Story Map, located at http://www.moyaone.org/easements-map. State Boundary information and derived from the Maryland GIS Data Catalog (http://data.imap.maryland.gov/) website. Tax Information was derived from the Maryland Department of Assesments and Taxation website (http://sdat.dat.maryland.gov/RealProperty/Pages/default.aspx). 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