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2 datasets found
  • Federal

    HAMP Ridgely 1829 Landholdings

    Department of the Interior —

    Polygon web layer depicting the presumed 1829 extent of Ridgely family landholdings in present-day Baltimore County, Maryland. The presumed 1829 boundary polygon was...
  • Federal

    HAMP Buildings Polygon py

    Department of the Interior —

    Polygon web layer documenting buildings at Hampton National Historical Site.
2 datasets found

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