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      astronomical observatories at York, Canada

    • David Dunlap Observatory
      18km
      web
      David Dunlap Observatory 2023
      Administration Building-David Dunlap Observatory NHS-Richmond Hill-Ontario-HPC21775-20221024
      DDO IMGP7505 (2407603953)
      Richmond Hill David Dunlap Observatory 2023
      David Dunlap Observatory NHS-Richmond Hill-Ontario-HPC21775-20190318
      Dunlap Observatory Administration Building
      DDO IMGP7501 (2407599845)
      DDO IMGP7500 (2407596951)

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