| 1. | Allotments began to encroached on the mostly closed clay pit by 1923.
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| 2. | Excavations : gravel / brick / clay pits; borrow pits, mining pools.
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| 3. | A former clay pit was landscaped into an artificial lake, Lake Marco.
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| 4. | Bordering Prospect Park is Devil's Dip, a former gravel and clay pit.
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| 5. | Three of the former clay pits for the brickworks have become flooded.
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| 6. | Maindy Pool was a clay pit that had gradually filled with water.
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| 7. | There are also clay pits where marl has been historically dug for building.
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| 8. | The site was subsequently used as a clay pit by the adjacent brickworks.
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| 9. | It also includes the sites of numerous former brick kilns and clay pits.
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| 10. | A brickworks and clay pit were served by the next siding.
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