FWS National Realty Boundaries

These boundaries are simplified from the U.S. Fish and Wildlife Service Real Estate Interest data layer containing polygons representing tracts of land (parcels) in...此类边界系由美国鱼类及野生动物管理局（U.S. Fish and Wildlife Service）的不动产权益数据图层简化而来，该图层包含用于表示某区域内土地地块（parcels）的多边形要素。