| 21. | It was established for ironstone mining from about 2003 by Portman Limited.
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| 22. | Out here all is farmland, over former Ironstone workings.
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| 23. | Your English platter is ironstone that was invented by Miles Mason around 1815.
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| 24. | Dozens of ironstone mines and several short-lived blast furnaces were constructed.
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| 25. | Between 1856 and 1926 high-grade magnetic ironstone was mined in Rosedale.
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| 26. | However, some high level ironstone blocks and limestone balusters have weathered badly.
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| 27. | Previously the site was used for ironstone extraction for buildings in the village.
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| 28. | The park contains a ford and the remains of the old ironstone railway.
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| 29. | Many of its buildings are built of local ironstone.
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| 30. | The large ironstone quarries have not wholly destroyed the appearance of the district.
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