Columbia subject headings:
Harvard subject headings:
Industrial archaeology--England--Cleveland.
Industrial archaeology--England--North York Moors.
Iron mines and mining--England--Cleveland--History.
Iron mines and mining--England--North York Moors--History.
Princeton subject headings:
Industrial archaeology--England--Cleveland.
Industrial archaeology--England--North York Moors.
Iron mines and mining--England--Cleveland--History.
Iron mines and mining--England--North York Moors--History.